这流动性，减少到垂直平面，是令人不满的在刮板链式传送机。

This mobility, reduced to the vertical plane, is unsatisfactory in a scraper chain conveyor.

youdao

这流动性，减少到垂直平面，是令人不满的在刮板链式传送机。

This mobility, reduced to the vertical plane, is unsatisfactory in a scraper chain conveyor.

youdao