英语词汇“natural ventilation system”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	natural ventilation system
释义	natural ventilation system 基本例句地暖系统 Ground heating system pipe service life is the life of the main speakers, because some of the ground can be replaced, therefore, to warm the EAC is the key to life.地暖系统使用寿命主要讲是埋管的使用寿命，因为地上部分可以更换，因此，地暖选管是使用寿命的关键。
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