electric overhead travelling crane

例句：

1. 1. The electric overhead travelling crane isused for lifting heavy loads from the ground.
   电动高空起重机用于从地面举起重物。
2. 2.The electric overhead travelling crane has becomean essential tool in construction sites.
   电动高空起重机已成为建筑工地的必备工具。
3. 3. The electricoverhead travelling crane can lift objects upto 50 meters high, makingit very useful in warehouses and factories.
   电动高空起重机可以举起高达50米的物品，因此在仓库和工厂中非常有用。