Therefore, V-type valve in the wide range of rate changes to provide precise control.
因此V型阀可以在广幅的变化范围内提供精确的控制。
That is very useful for the load, which changes frequently and in a wide range.
这对于变化频繁且变化幅度大的负荷，很有实用价值。
That is very useful for the load, which changes frequently and in a wide range.
这对于变化频繁且变化幅度大的负荷，很有实用价值。
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