gas-lift unit 气举装置 ; 气升循环装置
gas lift unit 气体升液装置 ; 气升装置
air-lift unit 气升装置
Drop Lift unit 升降段
lift unit frame 集装箱成组托架
hydraulic lift unit 液压提升机构
automatic hydraulic lift unit 自动调节的液压提升器
coil lift-and-turn unit 带卷升降回转台
The manipulator further includes a lift unit (400), which is installed in the air cleaner to move the rotary manipulation unit between the first position and the second position.
该操纵器还包括升降单元（400），该升降单元（400）被安装在空气净化器中，以在第一位置和第二位置之间移动该旋转操纵单元。
No lift-manufacturing unit shall borrow from other units the qualification certificate of conducting lift manufacturing, installation, renovation or maintenance activity.
电梯生产单位不得向其他单位转借从事电梯制造、安装、改造和维修活动的资质证书。
The gas lifting system is a narrow system extraordinary, including compressor unit, injection channel, lift valve and lifting passage.
气举系统是一个非常严密的系统，包括压缩机组、注入通道、气举阀和举升通道几个部分。
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