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。

youdao

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；

youdao

I am quite benumbed; for the Notch is just like the pipe of a great pair of bellows; it has blown a terrible blast in my face all the way from Bartlett.

诺什山就是个大大的通风管。从巴特利特一路过来，我这脸可被吹的够呛。

youdao

Two explosions were initially reported, but the second blast has been attributed to a pipe that exploded as a result of the bombing, he added.

CNN: March 3, 2013 -- Updated 2051 GMT (0451 HKT)

The blast was caused by fuel leaking into a dry bay and igniting on contact with a hot air pipe.

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