英语词汇closed system of ventilation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	closed system of ventilation
释义	closed system of ventilation 简明释义 n.封闭式通风系统网络释义 1 ?封闭式通风系统 ... 封闭式收费系统 closed toll system 封闭式通风系统 closed system of ventilation 封闭式供暖系统 closed system of heating ... 双语例句 1 Fully closed crust and the ventilation system, to ensure of good working environment. 超声波清洗机全封闭外壳与抽风系统，确保良好工作环境。 2 Fully closed crust the ventilation system, to ensure of good working environment. 超声波清洗机全封闭外壳与抽风系统，确保良好工作环境。
随便看	lower-income lower income group lower income relief lower incomes lower index lower index glass tube lower inequality lowering lowering, automatic lowering brake control lowering device lowering furnace lower gear lowering limiter lowering line loweringly lowering main contactor lower mast lowering mechanism lowering method lowering motion lowering of consciousness lowering of freezing point lowering of girder lowering of groundwater level

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