casing & cementation products
... cashing & tubing services 套管安装服务 casing & cementation products 固井产品 catalysts 催化剂类 ...
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产品说明用途：注水泥时，隔离水泥浆和泥浆，防止水泥浆中渗入泥浆影响固井质量。
Usage: When pouring into-cement, keeping apart cement mortar and mud and preventing cement mortar from mixing into mud for not influencing quality of well cementation.
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