The principle and design of valve upstream hotplate for preventing excessive flow leakage, and the application of the valve series products are discussed.
论述了防超流量泄漏灶前阀的原理、阀门的设计及防超流量泄漏灶前阀系列产品的应用。
The principle and design of valve upstream hotplate for preventing excessive flow leakage, and the application of the valve series products are discussed.
论述了防超流量泄漏灶前阀的原理、阀门的设计及防超流量泄漏灶前阀系列产品的应用。
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