standard dust的意思|示意
标准粉体
standard dust相关短语
1、 Test Dust Standard Sample 试验粉尘标准样品
2、 standard silicon dust 标准石英粉尘
3、 standard of dust quality 粉尘合格率
4、 standard uranium ore dust 标准铀矿样粉
5、 dust explosion prevention standard 粉尘防爆标准
6、 achievement of dust dischange standard 排尘达标
standard dust相关例句
The EPA tagged the county at the end of 2006, after pollution from particulates - known to experts as "fugitive dust" - exceeded the emissions standard for two years running.
环保署选中2006年底选中该镇，当地两年来微粒污染(专家称之为“浮沉”)超过了排放标准。
They are much more effective than the standard surgical masks or dust masks that are sometimes used by builders.
它们比标准的外科口罩或有时建筑工人使用的防尘口罩要有效得多。
Clean, no dust, without stain, without oily be soiled, customer acceptance, signed for the standard.
洁净、无灰尘、无污点、无油渍，以客户验收、签字为标准。