3. 应保持室内,少去
所。
3.Should be kept indoor ventilation, to people less unventilated places.
3. 应保持室内,少去
所。
3.Should be kept indoor ventilation, to people less unventilated places.
They found that in unventilated spaces levels can build up and, over time, cause health problems such as allergies and asthma.
研究表明,在透
空间里,时间长了,会影响健康,出现过敏、哮喘等症状。
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代表本软件
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