field rheostat
英
美
磁场（励磁）变阻器
双语例句
- If the field rheostat is not adjusted to the pipe nipple position, or has no good contact, or is burnt out, check the field rheostat and adjust it to the right position.
磁场变阻器未调至短接位置，或接触不良或烧断。检查磁场变阻器，并调至短接位置。 - If the resistance wire is burnt out, change another field rheostat.
如电阻丝烧断，应更换磁场变阻器。 - Adjust the field rheostat in the switchbox to the pipe nipple, i.e.the highest voltage which an arrow points to.
把开关箱中的磁场变阻器调节至短接位置，即转向箭头所指的电压最高位置。