suspension shaft

例句：

1. 1. The engineer designed a suspension shaft to support the heavy equipment.
   工程师设计了一个悬吊轴来支撑重型设备。
2. 2.During the construction, the engineer used the suspension shaft to lift the heavy materials.
   在施工期间，工程师使用悬吊轴来提升重物。
3. 3. The suspension shaft was crucial in ensuring the smooth operation of the machinery.
   悬吊轴在确保机械设备顺畅运行中起着关键作用。