renewal of air的意思|示意
美 / /
英 / /
空气更新
renewal of air的网络常见释义
换气 ... air renewal rate 空气更新率 air renewal fan 换气风扇 renewal of air 换气 ...
renewal of air相关短语
1、 renewal l of air 换气
renewal of air相关例句
Dual pipe air supply systems were also added in DF 11 locomotives as a main speed up locomotive, and the relevant renewal of this type at depots were conducted.
东风11型机车作为提速的主型机车也加装了双管供风系统，并对在段的该型机车进行了相应的改造。