Crown: Medium or low height, avoid crowns that are full or too high.
帽顶:中等高度或偏低,不要选那种又圆又高的帽子。
In the process conditions permit, the change in pump flow, head, speed and medium operating temperature operating parameters, to avoid the occurrence of cavitation.
在工艺条件允许的情况下,改变泵的流量、扬程、转速及介质的操作温度等操作参数,可以避免汽蚀的发生。
Should try to avoid acid-base media used interchangeably (except in and reaction medium) in order to avoid shortening life expectancy.
应尽量避免酸碱介质交替使用(除中和反应介质),以免缩短寿命。
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