给水立管
RISER , A duct in the air conditioning system for conditioned air supply to the passenger cabin.
立管, 空调系统中,将调节好的空气送到客舱的管道.
The configuration of supply and return water main and riser in the pipe well of the system is analyzed.
结合实例,分析了系统中管井内供回水干管、管的布置。
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