blast pipe
英 美
The blast pipe produced is a arc tube encircled by the left and right blast pipe board and the top and bottom blast pipe board.
所制作得到的风管为由左右风管板和上下风管板围成的棱弧形管状体。
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；
上一个：wind pipe
下一个：blast main
