graders

核心释义

1. 1.

   用于道路养护、建筑和采矿中平整大型表面的机器。

   A machine used in road maintenance, construction, and mining for leveling large surfaces.

2. 2.

   用于按大小或质量分选食品的机器。

   A machine used to sort food by size or quality.

3. 3.

   分级者；进行分级或辅助分级的工具。

   One who grades, or that by means of which grading is done or facilitated.

用于按大小或质量分选食品的机器。；分级者；进行分级或辅助分级的工具。；把东西分类别的人/机器；平路机；推土机