英语翻译ventilation shaftpartition wallskirting boardpenthouselo

英语翻译ventilation shaftpartition wallskirting boardpenthouselo 英语翻译BuoyancyBuoyancy ventilation may be temperature-induced 英语翻译Optimization of ventilation system design and operation 英语翻译The two purposes of mine ventilation are:(1) to answer t 英语翻译Ventilation in mines is very important to the health and 英语翻译Keep your head out of the fumes.☆Provide ventilation,exh use with adequate ventilation翻译 This would solve the problem of ventilation.ventilation为什么不加 exhaust bearing ventilation是什么意思?是关于燃气轮机通风设备方面的 ventilation and air conditioning帮忙翻译下额,谢谢 英语翻译 英语翻译-.- .--- --- --.....--- -.-....- .- --- ..- ...- .--- .-