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。
A new type of control valve for single pipe system is introduced.
介绍了一种适用于单管系统的新型调节阀。
The structure and working principle of mixed type temperature control valve were recommended.
介绍了混合型温控阀的结构和工作原理。
The structure and working principle of mixed type temperature control valve were recommended.
介绍了混合型温控阀的结构和工作原理。
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