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防护面罩
释义
防护面罩
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工学
防护面罩
释
protective mask
防护面罩
用来保护面部和颈部免受飞来的金属碎屑、有害气体、液体喷溅、金属和高温溶剂飞沫伤害的用具。
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Qiao Yi
Qiao Zhen
Qiao Zhou
qiayang
Qi Baishi
Qibaoligao
qibao meiran pill
Qibao Zhen
Qi Biaojia
Qibi Ming
Qibin Qu
qi block
Qi Bo
Qi Changcheng Yizhi
Qicheng
Qi Chengran
qichong
Qi Chongli
Qichun Li Shizhen Museum
Qichun Xian
Qi County Qiao’s Grand Courtyard Folk Museum
Qicun Wenquan
Qidan script
Qidan Tribe
qi deficiency
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