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呼吸器官防护器具
释义
呼吸器官防护器具
Encyclopedia
工学
个体防护设施
释
respiratory organs protection aid
呼吸器官防护器具
用于减少或防止空气中粉尘、烟、雾进入人体呼吸器官,从而保护生命安全的保护用品。
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Birch
Birch and Swinnerton-Dyer
Birch conjecture
Birch equation
birch family
Birch-Murnaghan equation of state
Birch reduction
bird and mammal damage to forest
bird banding
bird cage
bird cherry-oat aphid
bird communication
bird feeder jar
birdie
bird impact test
bird-in-hand theory
Bird Island
Bird Lady: Painted Terracotta Figurine of a Woman
Bird Men
bird migration
bird-nest fern
bird reproduction
bird rhythm
bird ringing
Birds and Flowers by Qian Xuan
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