platform rotary axis

• 载物台旋转轴

platform rotary axis的用法和样例：

例句

1. The gardener asked me for a rotary lawn mower.
   园丁向我要一台旋转式割草机。
2. During the Iron Age, the first rotary mill appeared in Britain.
   在铁器时代，英国出现了第一台旋转式碾磨机。