[电]?磁场断路电阻

... 磁场调整 field control 磁场断路电阻 field-breaking resistance 磁场发生器 magnetic field generator ...

?消磁电阻

field-breaking resistance 消磁电阻 field switch 磁场开关; 励磁电门; 励磁开关 emulsion breaking agent for oil field 油田用乳分解剂 .