hand-operated jack的意思|示意
手动杰克
hand-operated jack的网络常见释义
手操作千斤顶 ... o hydraulic hand jack 油压板车 hand-operated jack 手操作千斤顶 Comfortable Hand Jack 舒适手插孔 ...
hand-operated jack相关短语
1、 hand operated vertical hydraulic jack 手动立式液压千斤顶
hand-operated jack相关例句
Jack: in practical mechanics, portable hand-operated device for raising heavy weights through short distances, exerting great pressures, or holding assembled work firmly in position.
千斤顶：在应用力学中，指携带方便、以手操作的装置，可将重物稍微抬高，能施加巨大压力，或将装配好的对象牢固地支撑在原地。