microthruster

例句：

1. 1.The microthruster was used to move the heavy machinery.
   微型推进器被用来移动重型机械。
2. 2. The engineer designed a microthruster that could lift objects weighing up to 500 kilograms.
   工程师设计了一种可以举起重达500公斤物体的微型推进器。
3. 3. The microthruster was tested in various environments to ensure its reliability.
   微型推进器在不同的环境中进行了测试，以确保其可靠性。