downdraft例句
2024年06月24日 14:36:15
Ventilation: positive
downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.
通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.
Beijing Cherokee engine uses Cart YFA carburetor which is single barrel,
downdraft carburetor with triple venturi.
北京切诺基发动机采用卡特YFA单腔 、 下吸式、三重喉管化油器.
When you have an economic
downdraft like this, that same flexibility can be a severe detriment.
当你遭遇这种规模的经济衰退时, 同样的弹性可能就会非常不利.