此方法可用于电动调压器的控制当中，也可用于检测有触点电器的各种时间参数。

This method can be used to control booster, and also can be used to measure all time parameters.

youdao

此方法可用于电动调压器的控制当中，也可用于检测有触点电器的各种时间参数。

This method can be used to control booster, and also can be used to measure all time parameters.

youdao