英语词汇primary return air怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	primary return air
释义	primary return air 简明释义一次回风网络释义短语 1 primary return air system 一次回风系统 2 primary return air reheating 一次回风再热 3 all-air primary return air system 全空气一次回风系统
随便看	chromatic triad chromatic triangle chromatic valence chromatic value chromatic variation of distortion chromatic vision chromatic vision chromatic zone chromatic zone chromatid chromatid aberration chromatid aderration chromatid break chromatid breakage chromatid bridge chromatid conversion chromatid deletion chromatid exchange class C auxiliary power class C circuit class Cephalopoda class certificate class Cestoda class C fire class character

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。