1) dust-control with enclosure
封闭防尘法
2) sealed preventing dust
封闭式防尘
6) dustproof seal
防尘密封
1.
The paper discussed the function of seal and all kinds of dustproof seals,and the dustproof seals of coal conveying machine were improved which can promote its sealability and ensure it operation in long term in high dust density environment.
阐述了密封的作用和各种防尘密封形式,对输煤机械转机防尘密封进行了改进,能够提高输煤机械转机的密封性能,保证输煤机械设备在环境粉尘浓度较高情况下长周期安全运行。
补充资料：封闭
①严密盖住或关住使不能通行或随便打开 ：大雪～了道路ㄧ用火漆～瓶口。②查封：～赌场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条