Chinese translation for "casing check valve"

回压凡尔
套管止回阀

Similar Words：

"casing cement" Chinese translation, "casing cementing" Chinese translation, "casing cementing job" Chinese translation, "casing centralization" Chinese translation, "casing centralizer" Chinese translation, "casing chilling tub" Chinese translation, "casing chute" Chinese translation, "casing clamp" Chinese translation, "casing clamp screw" Chinese translation, "casing clamps" Chinese translation