For treatment plants which have additional upstream hydraulic head available, the operating water level can be raised and the shaft bearings can then be mounted directly to the top of the tank walls.

这促使轴，对于具有额外的上游水力头的污水处理厂，可以提高运行污水水平，然后直接将轴轴承提高到池壁顶端。

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A severe phenomenon of false water level exists in boiler drum under varying operating conditions.

锅炉汽包在变工况运行时往往产生严重的“虚假水位”现象。

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The device shall be required to operate through a normal operating range of 35% to 105% rated output over the full range of specified water level conditions.

该设备操作要求：在规定水位的满量程条件下，以35% - 105%额定输出的标准进行操作。

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