The switch wire harness must be disconnected before testing switch continuity.

在测试导通性之前必须断开开关线束。

youdao

And, it was easy for me to switch back to the iPhone from using the RAZR when my teenage daughter insisted on testing the RAZR.

FORBES: How To Keep 'Costs' Of Switching From iPhone To Motorola RAZR Low

He has shown a strong interest in turning the island into a giant laboratory when the switch to fuel cell vehicles begins in earnest 10 to 15 years from now, as well as in testing the safety of hydrogen gas stations, the long-term reliability of cars and the economic viability of fuel cells.

FORBES: Mister Natural