polarized electromagnetic ammeter是什么意思

用法例句

On the basis of magnetic theory and electrode theory of gas molecule and the reaction mechanism of producing the air plasma body by surface discharging,this paper studies a new kind of magnetic-electrode plasma body purification device,and tests it in a test of engine platform.

依据气体分子磁性理论与电极性理论及沿面放电方式产生空气等离子体的反应机理,试制出一种新型的磁电极化等离子体净化装置,并在发动机台架上进行了试验。