dust tight 防尘的 ; 尘密 ; 隔尘的 ; 防灰尘的
dust-tight luminaire 尘密型灯具
dust-tight [环境] 防尘的 ; 尘密的 ; 隔尘的
dust-tight type motor 防尘式电念头 ; 防尘式电动机
dust tight enclosure 尘密外壳
dt dust-tight 防尘的
Resist the harm of severe environment, dry environment and dust to skin, persistently supplement moisture to skin, balance PH value and bring refreshing, clean, smooth and tight skin.
抵制恶劣环境、干燥、尘埃等对皮肤的侵害，给予肌肤源源不断水分补充，平衡PH值，使肌肤清新爽洁，光滑紧致。
It can be a very loose film, dust like in appearance and texture that can be readily wiped off to a tight pertinacious film that requires scraping with a sharp instrument to be removed.
相对于需要用尖锐的工具刮除的紧固的膜来说，它是非常松散的膜，外表和结果上看来象灰尘，很容易擦去。
Three kinds of dust removing methods in foundry work was analysed in this paper, and tight chamer plus induction dust removing is advised as a good method.
本文对铸造车间常用的三种除尘形式进行了分析，认为全封闭加诱导式的效果最好。
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