fixed gases固定: fixed; regular气体: gas; gaseous fluid冷凝: condensate; condensation的: 4次方是 The fourth power of 2 i ...难于冷凝的气体: fixed gases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:固定气体;难于冷凝的气体,即可在微信中查询翻译