<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US>6</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、座与石在某种情况下必须粘接时,粘接剂可用环氧树脂,东方万能胶。它们使用方便,强度大。白乳胶较经济,取座也灵活。接缝处空洞大,可用白乳胶调细木糠或棉纸浆填塞。木糠的颜色应和座村颜色接近。用乳胶需防潮。</SPAN></FONT><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P> |