hand jack [机] 手动千斤顶 ; 手力千斤顶 ; 手动起重器
hand jack screw 手力千斤顶
Comfortable Hand Jack 舒适手插孔
hand jack hand screw 手动千斤顶
hand lift jack 手动千斤顶
hand vertical hydraulic jack 手动立式油压千斤顶
hand-operated jack 手操作千斤顶
hand operated vertical hydraulic jack 手动立式液压千斤顶
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