
噪(zao)音所產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)危害是比較(jiao)大的(de)(de)(de)(de)(de),尤其(qi)是表現在如下(xia)幾個方(fang)面:1、長期(qi)在強烈(lie)的(de)(de)(de)(de)(de)噪(zao)音環(huan)境中(zhong)工作(zuo)(zuo),可(ke)(ke)以使(shi)人(ren)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)噪(zao)聲(sheng)(sheng)(sheng)性耳聾。2、影響(xiang)人(ren)們的(de)(de)(de)(de)(de)正常(chang)工作(zuo)(zuo)、學習(xi)及日常(chang)生(sheng)(sheng)(sheng)(sheng)活(huo)。那么(me)石材加(jia)工過程中(zhong)噪(zao)音是怎樣產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)呢?它主要來自齒(chi)(chi)尖(jian)(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng),鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)振(zhen)動(dong)及物料摩擦聲(sheng)(sheng)(sheng)。齒(chi)(chi)尖(jian)(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng):是當鋸(ju)(ju)(ju)片(pian)(pian)(pian)高速(su)運轉(zhuan)(zhuan)時(shi)(shi),鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)齒(chi)(chi)與(yu)周(zhou)(zhou)圍(wei)的(de)(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)相(xiang)互作(zuo)(zuo)用(yong)(yong),引起空(kong)氣(qi)(qi)(qi)的(de)(de)(de)(de)(de)壓力脈動(dong)而產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)噪(zao)聲(sheng)(sheng)(sheng)。齒(chi)(chi)尖(jian)(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)聲(sheng)(sheng)(sheng)功率(lv)(lv)與(yu)鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)直徑、鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)線速(su)度(du)的(de)(de)(de)(de)(de)三次(ci)方(fang)成(cheng)正比,當轉(zhuan)(zhuan)速(su)越低(di)時(shi)(shi),與(yu)其(qi)線速(su)度(du)三次(ci)方(fang)成(cheng)正比,齒(chi)(chi)尖(jian)(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)頻(pin)(pin)率(lv)(lv)可(ke)(ke)由下(xia)式(shi)(shi)計算:式(shi)(shi)中(zhong):fi—齒(chi)(chi)尖(jian)(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)頻(pin)(pin)率(lv)(lv),即(ji)鋸(ju)(ju)(ju)齒(chi)(chi)每秒打空(kong)氣(qi)(qi)(qi)質(zhi)點的(de)(de)(de)(de)(de)次(ci)數(shu),(HZ)z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個)n—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)軸的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)(r/min)i—諧(xie)波(bo)序號i=1、2、3……鋸(ju)(ju)(ju)片(pian)(pian)(pian)旋轉(zhuan)(zhuan)時(shi)(shi),每個齒(chi)(chi)尖(jian)(jian)(jian)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)單極(ji)輻射流,并周(zhou)(zhou)期(qi)地通過工作(zuo)(zuo)臺的(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)縫(feng)向外(wai)排(pai)出,由于氣(qi)(qi)(qi)流壓力發生(sheng)(sheng)(sheng)(sheng)激(ji)烈(lie)變化,隨之(zhi)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)排(pai)氣(qi)(qi)(qi)噪(zao)聲(sheng)(sheng)(sheng),排(pai)氣(qi)(qi)(qi)噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)升功率(lv)(lv)也隨著鋸(ju)(ju)(ju)片(pian)(pian)(pian)線速(su)度(du)增大而急劇增加(jia),它與(yu)氣(qi)(qi)(qi)流速(su)度(du)的(de)(de)(de)(de)(de)6次(ci)方(fang)成(cheng)正比,在線速(su)度(du)較(jiao)小時(shi)(shi),與(yu)其(qi)5次(ci)方(fang)成(cheng)正比,則(ze)排(pai)氣(qi)(qi)(qi)噪(zao)聲(sheng)(sheng)(sheng)頻(pin)(pin)率(lv)(lv)為(wei):式(shi)(shi)中(zhong):fi—排(pai)氣(qi)(qi)(qi)噪(zao)聲(sheng)(sheng)(sheng)頻(pin)(pin)率(lv)(lv),(HZ)z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個)n—鋸(ju)(ju)(ju)片(pian)(pian)(pian)軸的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)(r/min)i—諧(xie)波(bo)序號i=1、2、3……在鋸(ju)(ju)(ju)片(pian)(pian)(pian)高速(su)旋轉(zhuan)(zhuan)時(shi)(shi),每當渦流分離的(de)(de)(de)(de)(de)頻(pin)(pin)率(lv)(lv)與(yu)鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)固有頻(pin)(pin)率(lv)(lv)相(xiang)近時(shi)(shi),就(jiu)發生(sheng)(sheng)(sheng)(sheng)共振(zhen),便發出“尖(jian)(jian)(jian)叫(jiao)聲(sheng)(sheng)(sheng)”,其(qi)頻(pin)(pin)率(lv)(lv)為(wei):f=z fr式(shi)(shi)中(zhong):z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個)fr—軸回轉(zhuan)(zhuan)頻(pin)(pin)率(lv)(lv)(HZ)鋸(ju)(ju)(ju)片(pian)(pian)(pian)屬于薄壁件,其(qi)剛性一(yi)般較(jiao)差,在外(wai)力的(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)下(xia)很容易產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)振(zhen)動(dong),由于振(zhen)動(dong)便容易產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)物料的(de)(de)(de)(de)(de)摩擦,因此該類的(de)(de)(de)(de)(de)噪(zao)音也就(jiu)隨之(zhi)產(chan)(chan)生(sheng)(sheng)(sheng)(sheng)。

長期以來,國(guo)內(nei)外專(zhuan)家學者對(dui)金剛石(shi)(shi)(shi)工(gong)(gong)(gong)具(ju)鋸切(qie)花(hua)崗(gang)巖(yan)(yan)的(de)(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)機(ji)理(li)、金剛石(shi)(shi)(shi)工(gong)(gong)(gong)具(ju)的(de)(de)(de)(de)磨損機(ji)理(li),以及鋸切(qie)加(jia)(jia)工(gong)(gong)(gong)過(guo)程中的(de)(de)(de)(de)鋸切(qie)力做了大(da)量(liang)試驗和研究(jiu),取得了令人矚目的(de)(de)(de)(de)成果,重慶(qing)石(shi)(shi)(shi)材加(jia)(jia)工(gong)(gong)(gong)對(dui)石(shi)(shi)(shi)材鋸切(qie)加(jia)(jia)工(gong)(gong)(gong)及金剛石(shi)(shi)(shi)工(gong)(gong)(gong)具(ju)的(de)(de)(de)(de)研究(jiu)開(kai)發(fa)(fa)起到了積極的(de)(de)(de)(de)推(tui)動作(zuo)(zuo)用。裝修石(shi)(shi)(shi)材的(de)(de)(de)(de)運用你可知怎樣選擇一般咱們的(de)(de)(de)(de)石(shi)(shi)(shi)材多用于修建,機(ji)械(xie)方(fang)面(mian),重慶(qing)石(shi)(shi)(shi)材加(jia)(jia)工(gong)(gong)(gong)廠告訴咱們多選用哪些(xie)石(shi)(shi)(shi)材!1、大(da)理(li)石(shi)(shi)(shi)大(da)理(li)石(shi)(shi)(shi)是(shi)地(di)殼(ke)(ke)華夏(xia)有的(de)(de)(de)(de)巖(yan)(yan)石(shi)(shi)(shi)經(jing)(jing)過(guo)地(di)殼(ke)(ke)內(nei)高溫高壓作(zuo)(zuo)用構(gou)成的(de)(de)(de)(de)變質(zhi)(zhi)(zhi)巖(yan)(yan)。地(di)殼(ke)(ke)的(de)(de)(de)(de)內(nei)力作(zuo)(zuo)用促(cu)進正(zheng)本的(de)(de)(de)(de)各類巖(yan)(yan)石(shi)(shi)(shi)發(fa)(fa)作(zuo)(zuo)質(zhi)(zhi)(zhi)的(de)(de)(de)(de)改動,即(ji)正(zheng)本巖(yan)(yan)石(shi)(shi)(shi)的(de)(de)(de)(de)構(gou)造(zao)、構(gou)造(zao)和礦藏成分發(fa)(fa)作(zuo)(zuo)改動。經(jing)(jing)過(guo)突變構(gou)成的(de)(de)(de)(de)新的(de)(de)(de)(de)巖(yan)(yan)石(shi)(shi)(shi)稱為(wei)變質(zhi)(zhi)(zhi)巖(yan)(yan)。由于石(shi)(shi)(shi)材異形(xing)加(jia)(jia)工(gong)(gong)(gong)機(ji)械(xie)大(da)理(li)石(shi)(shi)(shi)一般都富含(han)雜質(zhi)(zhi)(zhi),并且碳(tan)酸鈣在大(da)氣(qi)中受二氧化碳(tan)、碳(tan)化物、水氣(qi)的(de)(de)(de)(de)作(zuo)(zuo)用,也簡略風化和溶(rong)蝕,而使表面(mian)很快(kuai)失去光澤(ze)。大(da)理(li)石(shi)(shi)(shi)一般性質(zhi)(zhi)(zhi)比照軟(ruan),這(zhe)是(shi)相(xiang)對(dui)于花(hua)崗(gang)石(shi)(shi)(shi)而言的(de)(de)(de)(de)。

在兩個相互垂(chui)直在內(nei)的(de)(de)(de)(de)(de)方向鋪兩條干砂(sha)道路(lu),讓他的(de)(de)(de)(de)(de)寬(kuan)(kuan)度要大(da)于(yu)(yu)板(ban)寬(kuan)(kuan)的(de)(de)(de)(de)(de)寬(kuan)(kuan)度,厚(hou)度要大(da)于(yu)(yu)3cm。結合(he)施工(gong)大(da)樣圖及(ji)景觀(guan)鋪裝(zhuang)(zhuang)分區實際尺寸(cun),把鋪裝(zhuang)(zhuang)板(ban)塊排(pai)好(hao),重慶(qing)青石(shi)(shi)(shi)(shi)板(ban)材(cai)(cai)(cai)以(yi)(yi)便(bian)檢(jian)查板(ban)塊之間的(de)(de)(de)(de)(de)縫隙(xi),核對板(ban)塊與(yu)(yu)墻(qiang)面(mian)、柱、洞口(kou)、樹池、側緣(yuan)石(shi)(shi)(shi)(shi)、平緣(yuan)石(shi)(shi)(shi)(shi)邊等(deng)部位(wei)的(de)(de)(de)(de)(de)相對位(wei)置。石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)挑(tiao)選(xuan)與(yu)(yu)辨別的(de)(de)(de)(de)(de)三(san)個必(bi)(bi)知要點(dian)根(gen)據偉奇建材(cai)(cai)(cai)的(de)(de)(de)(de)(de)經驗,對于(yu)(yu)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)挑(tiao)選(xuan)與(yu)(yu)辨別的(de)(de)(de)(de)(de)三(san)個必(bi)(bi)知要點(dian):一(yi)(yi)、色(se)調(diao);二、裝(zhuang)(zhuang)飾(shi)(shi)(shi)的(de)(de)(de)(de)(de)意圖與(yu)(yu)環境(jing)影響;三(san)、辨識(shi)飾(shi)(shi)(shi)面(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)質量。接下來偉奇建材(cai)(cai)(cai)為(wei)(wei)大(da)家(jia)介紹:一(yi)(yi)、色(se)調(diao)天(tian)然飾(shi)(shi)(shi)面(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)除需(xu)(xu)考慮(lv)色(se)調(diao)選(xuan)擇外(wai),重慶(qing)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)欄桿(gan)還要考慮(lv)建筑物的(de)(de)(de)(de)(de)功(gong)能(neng)。在家(jia)居中,客(ke)廳及(ji)臥(wo)(wo)室(shi)的(de)(de)(de)(de)(de)裝(zhuang)(zhuang)飾(shi)(shi)(shi)宜(yi)(yi)選(xuan)用(yong)(yong)偏(pian)暖的(de)(de)(de)(de)(de)色(se)調(diao),以(yi)(yi)顯(xian)示溫暖、舒(shu)適的(de)(de)(de)(de)(de)情調(diao);而用(yong)(yong)于(yu)(yu)衛(wei)生間、廚房的(de)(de)(de)(de)(de)裝(zhuang)(zhuang)飾(shi)(shi)(shi)宜(yi)(yi)選(xuan)用(yong)(yong)素淡雅潔(jie)的(de)(de)(de)(de)(de)偏(pian)冷色(se)調(diao),以(yi)(yi)顯(xian)示出清潔(jie)衛(wei)生。二、裝(zhuang)(zhuang)飾(shi)(shi)(shi)的(de)(de)(de)(de)(de)意圖與(yu)(yu)環境(jing)影響由(you)于(yu)(yu)使用(yong)(yong)天(tian)然飾(shi)(shi)(shi)面(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)裝(zhuang)(zhuang)飾(shi)(shi)(shi)的(de)(de)(de)(de)(de)部位(wei)不同,所以(yi)(yi)選(xuan)用(yong)(yong)的(de)(de)(de)(de)(de)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)類型(xing)也(ye)不同。用(yong)(yong)于(yu)(yu)室(shi)外(wai)建筑物裝(zhuang)(zhuang)飾(shi)(shi)(shi)時,需(xu)(xu)經受水期風吹(chui)雨淋日曬(shai),花(hua)崗石(shi)(shi)(shi)(shi)因為(wei)(wei)不含有(you)碳(tan)酸鹽(yan),重慶(qing)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)欄桿(gan)吸水率小,抗風化(hua)能(neng)力強(qiang),好(hao)選(xuan)用(yong)(yong)各種類型(xing)的(de)(de)(de)(de)(de)花(hua)崗石(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai);用(yong)(yong)于(yu)(yu)廳堂地(di)面(mian)裝(zhuang)(zhuang)飾(shi)(shi)(shi)的(de)(de)(de)(de)(de)飾(shi)(shi)(shi)面(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai),要求其物理化(hua)學性能(neng)穩定,機械強(qiang)度高,應首(shou)選(xuan)花(hua)崗石(shi)(shi)(shi)(shi)類石(shi)(shi)(shi)(shi)材(cai)(cai)(cai);用(yong)(yong)于(yu)(yu)墻(qiang)裙及(ji)家(jia)居臥(wo)(wo)室(shi)地(di)面(mian)的(de)(de)(de)(de)(de)裝(zhuang)(zhuang)飾(shi)(shi)(shi),機械強(qiang)度稍差,宜(yi)(yi)選(xuan)用(yong)(yong)具有(you)美麗圖案(an)的(de)(de)(de)(de)(de)大(da)理石(shi)(shi)(shi)(shi)。

加裝隔(ge)聲(sheng)罩(zhao)(zhao)用(yong)隔(ge)聲(sheng)罩(zhao)(zhao)來(lai)降低(di)鋸片加工時的(de)(de)(de)(de)綜合噪(zao)聲(sheng)是行(xing)之(zhi)有(you)效的(de)(de)(de)(de),罩(zhao)(zhao)殼(ke)用(yong)鋼(gang)板制(zhi)成,內涂阻尼材(cai)(cai)(cai)料(liao)(liao)、吸(xi)聲(sheng)材(cai)(cai)(cai)料(liao)(liao),選擇超細玻璃棉,襯一層玻璃布(bu)。并用(yong)穿(chuan)孔(kong)板護面。罩(zhao)(zhao)殼(ke)、吸(xi)聲(sheng)材(cai)(cai)(cai)料(liao)(liao)、穿(chuan)孔(kong)板相對(dui)固定以(yi)(yi)防止設備運轉造(zao)(zao)成系統共振引起(qi)新的(de)(de)(de)(de)噪(zao)音。措施與(yu)能達(da)到的(de)(de)(de)(de)降噪(zao)效果(guo):(1)基(ji)體采(cai)用(yong)復(fu)合結構可以(yi)(yi)降噪(zao)10分(fen)貝(bei)左(zuo)右(you)(2)減(jian)振法蘭盤可以(yi)(yi)降噪(zao)3分(fen)貝(bei)左(zuo)右(you)(3)基(ji)體采(cai)用(yong)消(xiao)音孔(kong)或消(xiao)音縫5分(fen)貝(bei)左(zuo)右(you)(4)整(zheng)體隔(ge)音罩(zhao)(zhao)10分(fen)貝(bei)左(zuo)右(you)簡析人(ren)造(zao)(zao)石(shi)的(de)(de)(de)(de)用(yong)途人(ren)造(zao)(zao)石(shi)材(cai)(cai)(cai)從(cong)誕生至今經歷幾十年的(de)(de)(de)(de)研究(jiu)、開(kai)發和創(chuang)新,使人(ren)造(zao)(zao)石(shi)材(cai)(cai)(cai)能開(kai)發多種材(cai)(cai)(cai)料(liao)(liao)廣(guang)泛(fan)應(ying)用(yong)與(yu)商業、住宅、甚至軍事領(ling)域等(deng)。在商業用(yong)途上,人(ren)造(zao)(zao)石(shi)材(cai)(cai)(cai)的(de)(de)(de)(de)使用(yong)幾乎不受限制(zhi)。根據產(chan)品的(de)(de)(de)(de)適應(ying)性,它可用(yong)于健康中心、醫療機構、公(gong)共寫字樓、廠礦公(gong)司、購物中心等(deng)空(kong)間里的(de)(de)(de)(de)設備設施。

黔南裝修大理石石材因此,在飲食服務業方面,可用來設計獨創性的餐桌、陳列展臺及潔凈衛生的廚房工作臺,同理,當被用于有嚴格衛生標準的醫療衛生單位時,使用者根據人體線條,靈活設計、安裝在醫療室、化驗室、外科手術室。在家居裝飾方面,人造石材優越于一般傳統建材所沒有的耐酸、耐堿、耐冷熱、抗沖擊的特點,作為一種質感佳、色彩多的飾材,不僅能美化是內外裝飾,滿足其設計上的多樣化需求,更能為建筑師和設計師提供極為廣泛的設計空間,以創造空間,表達自然感覺。人造石材可以大理石石材廠根據(ju)不同的(de)(de)要(yao)求配方做成(cheng)一種先(xian)進的(de)(de)合成(cheng)物(wu),因其特(te)殊(shu)的(de)(de)組成(cheng)成(cheng)份,使它很難被磨損,又(you)由于顏色和圖案深及材料表(biao)里,因此,可以對才(cai)質中凹紋(wen)、缺口或刮痕甚(shen)至比較嚴(yan)重的(de)(de)磨損,只要(yao)采取相應的(de)(de)辦法進行(xing)翻新,便可回(hui)復如(ru)初,向新的(de)(de)一樣(yang)。許(xu)多家庭在居室(shi)的(de)(de)廚房(fang)和衛生間的(de)(de)裝修中都采用(yong)了人造(zao)石(shi)材作臺(tai)面。由于人造(zao)石(shi)材是模仿天(tian)然大理(li)石(shi)的(de)(de)表(biao)面紋(wen)理(li)加工(gong)而成(cheng)的(de)(de),具有類(lei)似(si)大理(li)石(shi)的(de)(de)機理(li)特(te)點,在硬度(du)、光澤及耐磨性(xing)上都比天(tian)然大理(li)石(shi)好,這種樹脂黏(nian)度(du)低,易于成(cheng)型、固化快,可在常溫下固化。

石(shi)(shi)材(cai)(cai)鋪裝之(zhi)(zhi)前(qian)首要(yao)清潔石(shi)(shi)材(cai)(cai)表(biao)面(mian)(mian)(mian)(mian),使其(qi)清潔單調再(zai)用(yong)(yong)板刷(毛(mao)刷)或滾筒的方法對石(shi)(shi)材(cai)(cai)的反、正面(mian)(mian)(mian)(mian)及(ji)四(si)立面(mian)(mian)(mian)(mian)刷兩(liang)遍水溶性防滲劑(ji)。為獲得佳效果,應(ying)使一(yi)層徹底進入基材(cai)(cai)后(hou)(hou)(1-2小時)再(zai)刷二遍。做完(wan)防滲處(chu)置起碼保護24小時后(hou)(hou)才華鋪裝。5、石(shi)(shi)材(cai)(cai)鋪裝時應(ying)留(liu)縫(feng)(feng)鋪貼(tie)(竹(zhu)編馬賽克(ke)等在(zai)外(wai))。6、為加(jia)強黏(nian)貼(tie)的健壯性及(ji)抗污性,建(jian)議運用(yong)(yong)粘結劑(ji)鋪貼(tie)。7、淡(dan)(dan)色石(shi)(shi)材(cai)(cai)請運用(yong)(yong)淡(dan)(dan)色填(tian)(tian)逢劑(ji)。8、板巖類石(shi)(shi)材(cai)(cai)表(biao)面(mian)(mian)(mian)(mian)是運用(yong)(yong)分外(wai)剝離技能制(zhi)成,所以每(mei)片之(zhi)(zhi)間存在(zai)薄(bo)厚不(bu)均(jun)表(biao)象。因其(qi)表(biao)面(mian)(mian)(mian)(mian)較粗糙,填(tian)(tian)逢之(zhi)(zhi)間請用(yong)(yong)軟布(bu)在(zai)表(biao)面(mian)(mian)(mian)(mian)抹(mo)擦(ca)(ca)少量食用(yong)(yong)油再(zai)填(tian)(tian)逢,以便于收拾填(tian)(tian)逢劑(ji)。注:填(tian)(tian)逢時要(yao)邊填(tian)(tian)邊用(yong)(yong)濕(shi)毛(mao)巾擦(ca)(ca),不(bu)宜大面(mian)(mian)(mian)(mian)積(ji)鋪裝后(hou)(hou)再(zai)擦(ca)(ca)。9、砂巖產品表(biao)面(mian)(mian)(mian)(mian)沙孔較多,填(tian)(tian)縫(feng)(feng)之(zhi)(zhi)前(qian)運用(yong)(yong)寬膠帶對穩中有降縫(feng)(feng)和周圍進行貼(tie)蓋,然后(hou)(hou)把縫(feng)(feng)隙處(chu)的膠帶割開后(hou)(hou)再(zai)填(tian)(tian)縫(feng)(feng),避免填(tian)(tian)縫(feng)(feng)劑(ji)黏(nian)于石(shi)(shi)材(cai)(cai)表(biao)面(mian)(mian)(mian)(mian)不(bu)宜收拾。