circulation supply system循环: circulate; circle; round; re ...供给: supply; provide; furnish; fe ...系统: system供给系统: delivery system; feed system; pipeline; su ly system; supply system循环供给水煤气: supply circularly water vapor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:循环供给系统，即可在微信中查询翻译
