指公安部门对机动车辆进行的如查验设备配件是否齐全有效，证件是否齐全等的全面查验to inspect a vehicle

• 在看到前方有人验车时，他赶快将计价器复零。

  Upon seeing that someone was inspecting vehicles up ahead he quickly put the taxi meter back to zero.

• 因为工作太忙，他请朋友帮忙去验车。

  He asked his friend to inspect the car because he's too busy with work.