improper ventilation
英
美
- 通风不良
双语例句
- 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。
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