The positive pole carries a positive charge while the negative pole does a negative charge.
正极带正
, 
极带。
极The positive pole carries a positive charge while the negative pole does a negative charge.
正极带正, 极带。
The working characteristics of heated negative pole power source of intervallic heat electricgun are introduced in this paper.The method of heated power's indirect test is advanced.
介绍间热式子枪阴极加热源
工作特点，提出对加热功率进行间接
方法。
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