-
The economization of the heater Power is related to the shape of cathode and the construction of tube.
由于阴极形状和管结构的差异,降低热子加热功率各不相同。
youdao
-
The economization of the heater Power is related to the shape of cathode and the construction of tube.
由于阴极形状和管结构的差异,降低热子加热功率各不相同。
youdao