solid rotary conveyor

例句：

1. 1. The solid wood is easy to polish.
   这根木头很容易打磨。
2. 2. The solid structure of the building is impressive.
   这座建筑的坚固结构令人印象深刻。
3. 3. The solid evidence supports the conclusion.
   确凿的证据支持了结论。