ventilation by low pressure的用法和樣例：
例句
- With respect to aspirating ventilation, computing method is discussed to analyze the concentration of blasting fumes in stagnation area.
并針對吸出式通風(fēng)，討論了可能出現的炮煙停滯區中炮煙濃度的計算方法。 - A paint vapour treatment by means of blowing and drawing ventilation in an airtight workroom is suggested in the article.
提出在密閉噴漆作業(yè)間，采用吹吸式通風(fēng)法對作業(yè)間的漆霧進(jìn)行治理的方案。
