oxygen distribution system for diver潜水员: aquanaut; diver; frogman供: offerings氧: oxygen系统: system供氧系统: breathing-oxygen supply system; breathing-oxygen system; demand system; oxygen delivery system; oxygen system下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:潜水员供氧系统，即可在微信中查询翻译
