negative pole

1.The positive pole carries a positive charge while the negative pole does a negative charge.

带荷, 负带负荷。

2.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.

介绍间热式子枪阴加热源的工作特点，提出对加热功率进行间接检测的方法。