lung marking 中文意思是什麼
lung marking
解釋
肺斑紋-
Respiratory protective devices - lung governed demand self - contained open - circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape - requirements, testing, marking ; german version en 402 : 2003
呼吸保護器.逃生用全面罩式或口罩組件式自調需氧量自
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