n. jack ; jack-in-the-box
misc. ground jack
螺旋起重器 screw jack ; jack screw ; lifting screw ; jack screwjackscrew
车辆起重器 [机] car jack ; [机] truck jack ; [机] carriage jack ; jack
手动起重器 hand jack ; Hand Screw
液压起重器 [机] hydraulic lifting jack ; hydraulic hoisting jack ; hydraulic efficiency jack
斜齿轮起重器 bevelled gear jack
起重器具 apparatus for hoisting
挖沟起重器 trench jack
差动起重器 differential jack
起重器垫 jack pad
气动起重器 [机] pneumatic jack
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