1) dust removal
下粮坑
1.
In practical utilization, the poor effect of dust removal because of the improper design and operation exists universally and proposed improving schemes.
下粮坑除尘是对飞溅性粉尘的控制，根据其卸粮方式和操作方法的不同，所设计的除尘装置也不同。
2) underground silos
地下粮仓
1.
The development history and present situation of the underground silos are reviewed and summarized in the paper,and the suggestions are also pointed out for the development direction of underground silo.
简要回顾了我国地下粮仓的发展历史,简述了地下粮仓的应用现状,并对今后地下粮仓的发展方向提出了建议。
3) underground barn
地下粮库
补充资料：坑坑坎坎
1.坑坑洼洼，凹凸不平。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。