由于电容属于一种机械性能，并且不应随时间发生变化，所有通常必须要验证开关卡上的隔离电容。

It is generally unnecessary to verify the isolation capacitance on a switch card, because the capacitance is a mechanical function and should not change over time.

youdao

由于电容属于一种机械性能，并且不应随时间发生变化，所有通常必须要验证开关卡上的隔离电容。

It is generally unnecessary to verify the isolation capacitance on a switch card, because the capacitance is a mechanical function and should not change over time.

youdao