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千萬人都在用的超大詞匯詞典翻譯APP
- Respiratory protective devices - self - contained closed - circuit breathing apparatus compressed oxygen or compressed oxygen - nitrogen type - requirements , testing , marking includes amendment a1 : 2000 ; german version en 145 : 1997 a1 : 2000
呼吸防護裝置.帶壓縮氧氣或壓縮氧氣-氮氣的自持式閉