enclosed ventilated 中文意思是什麼
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Ventilated totally - enclosed motor
全封閉通風式電動機 -
Do not use in small enclosed rooms or poorly ventilated areas
切勿在細小的密封空間或空氣不流通的地方使用； -
Prevent working in poorly ventilated places such as enclosed greenhouses
避免在密封的溫室等通風較差的地方工作。 -
Current health and safety rules on smoking are vague. they say effective and suitable provision should be made to ensure that every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air
目前，有關健康和安全的法規並不清楚，只有說：應當提供適當有效的設施，以確保室內的工作場所有足夠的乾凈新鮮的空氣。
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