blast air pipe
常见例句
- In order to simplify blast pipe and distribute the air equably, the static pressure trunk is mounted under ground to supply air.
这种送风方式为了简化送风管道和均匀分配风量，常在地面下设静压层供风。 - Dust sample in blast pipe was collected when centralized air ventilation system was off, the total content of the bacterium and fungus was examined.
集中空调关闭期间，采集集中空调通风系统送风管内的积尘样品，检测其细菌总数、真菌总数； 返回 blast air pipe