Feedback control of the pressure within the electron gun is performed by directly measuring temperature at an internal of the pierce-type electron gun.
通过直接测定上述皮尔斯电子枪内部温度，来反馈控制电子枪内部的压力。
Feedback control of the pressure within the electron gun is performed by directly measuring temperature at an internal of the pierce-type electron gun.
通过直接测定上述皮尔斯电子枪内部温度，来反馈控制电子枪内部的压力。
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