单词：improper ventilation
improper ventilation的用法和样例：
例句
- Owing to bad ventilation ofclosed and semiclosed latrines,human health is impaired.封闭型，半封闭型公厕因通风不良而对人体造成危害。
- As offices and homes often have inadequate ventilation, these chemicals can build up to become health nuisances.由于办公室和住家往往通风不良，这些化学物质会愈积愈多进而成为危害健康的物质。
单词：improper ventilation 相关文章
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VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量
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2016CRI中国国际广播电台