protective breathing equipment

基本解释

Fire fighting personnel should wear full protective equipment, including self-contained breathing apparatus (SCBA) for all inside fires and large outdoor fires.
滅火人員應珮戴完全防護設備，包括自給式呼吸器內的所有大型戶外火災和火災器具（呼吸器）。
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Though they wear breathing apparatus and other protective equipment while fighting fires, researchers point out, they typically remove the gear when they're merely in the vicinity of the fire.
研究人員指出，雖然他們帶有呼吸麪具和其他保護設備，但是通常會在離火事不遠処將設備摘除。
Firemen should wear proper protective equipment and positive pressure self-contained breathing apparatus.
消防員須身穿保護裝置及正壓呼吸設施。