... Air spider/slip 气动卡瓦/气动吊卡 Cement head 水泥头 Link 吊环 ...
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single plug cement head 单塞水泥头
Cement head and cementing plug 固井水泥头及常规固井胶塞
cement casing head 水泥头 ; 注水泥套管头
low head cement 低热水泥
double plug cement head 双级注水泥器
cement t casing head 注水泥套管头
multi-head stirring cement pile 多头搅拌水泥桩
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Please change links and make up cement head!
请把提环换下来，把水泥头接上！
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Pleottom change links and make up cement head!
请把提环换上去，把水泥头接上！
Special tool for pumping slurry and releasing plug. The ZSC Single-Plug Cement Head can be connected with Drill pipe.
用于注水泥浆和释放胶塞的专门工具。ZS C型单塞水泥头可与钻杆连接。
Eighteen months ago he slipped on an icy sidewalk, fell, hit his head on cement, and nearly died.
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But now this wisdom is being stood on its head: though it may not be worth shipping cement from Mexico to Europe, know-how and investment can be swiftly poured into any market.
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