jack lift point

例句：

1. 1.The engineer used a jack to liftthe heavy machine onto the truck.
   工程师使用千斤顶将重机器抬上卡车。
2. 2. Theteam successfully reached the jack lift pointbefore the deadline.
   团队在截止日期前成功到达了提升点。
3. 3. The constructioncrew had to wait forthe jack lift point tobe cleared before they could proceed.
   建筑工人不得不等待提升点被清理后才能继续工作。