ventilation是什么意思
exhaust bearing ventilation是什么意思?是关于燃气轮机通风设备方面的
英语翻译ventilation shaftpartition wallskirting boardpenthouselo
use with adequate ventilation翻译
英语翻译BuoyancyBuoyancy ventilation may be temperature-induced
This would solve the problem of ventilation.ventilation为什么不加
ventilation and air conditioning帮忙翻译下额,谢谢
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
是什么意思?...
是什么意思.