vent level的意思|示意

With the rise of groundwater level and continue to gather large amounts of water were Stop outside the waterproof layer of the pyramid, and the vent will penetrate through the part of water to come.

随着地下水层的上升和不断聚集，大量的水被阻挡在金字塔的防水层外，而且会通过地泉口渗透一部分水分进来。

Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.

上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。

When the vent opening reduces, the jet flow phenomenon is not obvious, and an obvious process of liquid level dropping could present.

放气口开度减小，射流现象不明显，并出现明显的液面下降过程。