要确定评估适当的命令，对待电路网络，把他们当作是电阻器，并且确定混联的总主抗由他们形成。

To determine proper order of evaluation, treat the contacts as though they were resistors, and as if you were determining total resistance of the series-parallel network formed by them.

youdao

要确定评估适当的命令，对待电路网络，把他们当作是电阻器，并且确定混联的总主抗由他们形成。

To determine proper order of evaluation, treat the contacts as though they were resistors, and as if you were determining total resistance of the series-parallel network formed by them.

youdao