stub pipe 中文意思是什麼
stub pipe
解釋
粗短管-
For above ground installation, the receiver & launcher shall be horizontal, which center is about 1m high from ground, and shall be connected to underground pipe by nozzle stub and bend but not skewed crossing connection
地面時,收發球筒為臥式,中心距地面高度一般為1米左右,通過短管及彎管與地下管線連接,不宜採取斜交叉連接。
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