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呼吸性粉尘
释义
呼吸性粉尘
Encyclopedia
工学
矿尘
释
respirable dust
呼吸性粉尘
粒径小于5微米的、能进入人体肺泡区的颗粒物。是引起尘肺的病因。
工学
呼吸性粉尘
释
respirable dust
呼吸性粉尘
粒径在5微米以下、空气动力学直径在10微米以下,能进入人的细支气管到达肺泡的粉尘微粒。
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necessary
necessary and sufficient condition
necessary and sufficient statistic
necessary and sufficient σ-field
necessary condition
necessary condition for optimality
necessary heirship
necessary labor under the socialist system
necessary labour and surplus labour
necessary nutrients
necessary observation
necessary product and surplus product
necessary statistic
necessary topology
necessity
necessity and freedom in history
nechanical dust collector
Necitumumab
Neck
neck
neck and shoulder pain
neck bi
neck body
neck canal cell
neck cell
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