bottom unloader

例句：

1. 1. The machine has a bottomunloader that can easily remove heavy objectsfrom the bottom of the tank.
   这台机器有一个底部卸载器，可以轻松地从油箱底部移除重物。
2. 2. During the construction process, workers used a bottom unloaderto lift heavy materials without damaging the foundation.
   在施工过程中，工人们使用了一个底部卸载器来抬起重物，而不会损坏地基。
3. 3. The bottom unloader wasdesigned to minimize the risk of accidents duringthe loading and unloading of heavy equipment.
   底部卸载器被设计成最小化装载和卸载重型设备时发生事故的风险。