spot check

美 
英 
  • n.抽查;抽样检查
  • 网络抽检;飞行药检;抽样调查
复数:spot checks  
spot check
n.
1.
抽查;抽样检查a check that is made suddenly and without warning on a few things or people chosen from a group to see that everything is as it should be
to carry out random spot checks on vehicles
对车辆进行随机抽检

例句

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