... 吊卡管抓 dollywrench 油管吊卡 pipe elevator ; tubing elevator 吊卡闩 elevatorlatcher ...
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drill pipe elevator 钻杆吊卡 ; 重钻杆
washover pipe elevator 铣管吊卡
drill l pipe elevator 钻杆吊卡
elevator pipe cover [铁路] 喉管盖
elevator pipe rear cover [铁路] 喉管尾盖
Elevator pipe [铁路] 喉管
·2,447,543篇论文数据，部分数据来源于NoteExpress
The slag is sent into the hopper by the belt conveyor or bucket elevator and sent into feed end through feeding pipe of feeder hopper.
矿渣由皮带输送机或斗式提升机送到料斗，然后经料斗的加料机通过加料管道进入加料端。
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