短語詞組短語circular casing pump coupling 環(huán)殼泵聯(lián)軸器annular casing pump coupling 環(huán)殼泵聯(lián)軸器stage casing pump coupling 分段式多級泵聯(lián)軸器plastic casing coupling 塑料管套casing coupling makeup machine 套管接箍擰接機(jī)casing coupling detail 套管接手casing coupling log 套管接箍測井double -casing volute pump coupling 雙渦殼泵聯(lián)軸器casing complement for reversing coupling 換向聯(lián)軸器殼體 返回 casing coupling