worm and wormwheel

例句：

1. 1. The worm and wormwheelare used to move the material through themachine.
   蠕虫和螺旋形的机械装置用于将物料通过机器。
2. 2. The screwconveyor belt is a common component inmany industrial processes.
   螺旋形的机械传送带是许多工业过程中常见的组件。
3. 3. Thescrew conveyor belt is used to transportheavy materials efficiently.
   螺旋形的机械传送带用于高效地运输重材料。