虹吸现象 siphonage

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1.

This test study pipeline pressure and head loss under each kind of operating mode, also carefully observed and tested the Siphonage .

试验模拟了引水系统在各种情况下的压强和水力损失，并对虹吸现象进行了仔细的观察和测试。

2.

When cut off the water supply , because of the negative pressure in feed pipe , siphonage arises more easily.

停水时，因为供水管中的负压，虹吸现象更易产生。

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3.

"Siphonage Effect" : A Major Constraint in the Development of Human Resources in Minority Areas

“虹吸现象 ”：民族地区人力资源开发的难点