twin – phrases

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Terms for subject Drilling containing twin | all forms | exact matches only

English	Chinese
twin edge cutter	双刃割刀
twin hole	双井眼
twin hook hoist	双钩倒链
twin mast	A字形轻便井架
twin mast	双腿架
twin packer	双封隔器
twin single pump	单作用双缸泵
twin string dual-completion	双管两层完井
twin well	钻穿同一地层的两口井
twin well	两口距离极近的井