Epoxy or plastic liming may be cast into the concrete pipe during manufacture;or bitumastic or coal tar epoxy may be painted on the concrete pipe surfaces after installation.
可以在制造混凝
时将环氧和塑胶衬里浇筑在里面，或在安装后用沥青砂浆或煤焦油屠
混凝的表面。
Epoxy or plastic liming may be cast into the concrete pipe during manufacture;or bitumastic or coal tar epoxy may be painted on the concrete pipe surfaces after installation.
可以在制造混凝时将环氧和塑胶衬里浇筑在里面，或在安装后用沥青砂浆或煤焦油屠混凝的表面。
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类均由互联网资源自动生成，部
过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
