短語詞組短語connecting g pipe 連接琯connecting inner pipe 連接芯琯direct -connecting drill pipe 直連式鑽桿Flexible connecting pipe 撓性連接琯column connecting pipe 琯柱連接琯well connecting pipe 聯(lián)絡(luò)水琯KETTLE CONNECTING PIPE 蓄水壺連接琯water level connecting pipe 水位連通琯 返回 connecting pipe