The so-called connectors, is below the surface of the mutual connected two or several containers. Filled with the same liquid, liquid surface pressure equal LianTongQi, the liquid surface equal height.

   (1) the connector and have the same liquid, but liquid surface pressure, the liquid surface range pressure difference is equal to LianTongQi two containers liquid surface elevation the pressure difference.

   (2) connector liquid surface pressure equal, but both sides have each other is not mixed liquid, prospect of different interface within two liquid surface height and the liquid density is inversely proportional to.

   Connectors principle in engineering in a wide range of applications. If all sorts of liquid surface (water meter, oil project a gauge etc), mercury vacuum plan, liquid column type table, air pressure differential gauge, etc, all is the application of the principle of connector is made.

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