这是燃烧器支撑管。

This is the burner support pipe.

youdao

排雾管，水箱，集雾器，支撑架等。

Clear the mist, water, fog set, supporting frames.

youdao

保证有足够的操作空间，如果管沟不够坚固，要有足够的支撑。

Ensure there has enough operation space, and make support if the trench is not firmly.

youdao

保证有足够的操作空间，如果管沟不够坚固，要有足够的支撑。

Ensure there has enough operation space, and make support if the trench is not firmly.

youdao