短語詞組短語protective breathing equipment 呼吸保護器;防毒氧氣設(shè)備protective atmosphere equipment [冶]保護氣氛供應(yīng)設(shè)備protective breathellong equipment 呼吸保護器PBE Protective Breathing Equipment 保護性呼吸設(shè)備protective e equipment 防護設(shè)備testing of protective relaying equipment 繼電保護試驗PBE -Protective Breathing Equipment 呼吸保護裝置Installation protective equipment 裝置保護設(shè)備;低壓電器;電氣保護部件individual protective equipment 個人防護裝備 返回 protective equipment