The necessity of flow regulation system in solid ramjet is presented, and the scheme of gas-fired flux adjustment about generator is analyzed.

阐述了固冲发动机燃气流量调节的必要性，对发生器燃气流量调节方案进行了评述。

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The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system.

发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。

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The regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.

探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。

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To be able to offer frequency regulation service to the grid, cars need a bidirectional power system, so energy can flow both from the grid and to the grid, and software to allow the car to communicate with the grid.

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