pusher jack

例句：

1. 1. The engineer used a pusher jack to lift the heavy machine.
   工程师使用推杆式千斤顶来提升这台重型机器。
2. 2. The construction crew used a pusher jack to move the heavy equipment into place.
   建筑工人使用推杆式千斤顶将重型设备移至指定位置。
3. 3. The tool is essential for lifting heavy objects, such as furniture or machinery.
   这种工具对于抬起重物至关重要，比如家具或机械。