- hoisting and lowering
- 升降: promotion and demotion
- 钻具: drilling tool; drilling rig
- 升降钻杆: handling the drill pipe
- 钻具组升降程序: drill-string tripping
- 升降: 1.(提升和降级) promotion and demotion 升降奖惩 promotion and demotion, reward and punishment2.(上升和下降) go up and down; 升降车 lift truck; 升降滑车 fall block; 升降机 elevator; jack; hydraulic rope-geared; elevator; cage-lifter; lift; lifter; hoist; 升降率 grade; 升降平台 hoistable platform; 升降桥 lift bridge; 升降输送机 lift and conveyer; 升降台 knee-and-colum; cage assembly; elevating [lifting] platforms; 升降梯 elevator; lift; 升降装置 riser
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