closed feed cycle闭: close; shut式: type; style回: circle; wind热循环: heat cycle回热循环: bleeding cycle; heat extraction cycle; heat-exchange cycle; regenerative cycle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:闭式回热循环，即可在微信中查询翻译
