fēi​xíng​jiǎn​chá

unannounced inspection

Senses

飞行检查/ 飛行檢查 fēi​xíng​jiǎn​chá unannounced inspection

An inspection or surprise audit conducted without prior notice; in sports, refers to out-of-competition drug testing.

References

abbreviation 飞行检查/飛行檢查 飞检/飛檢
abbreviation 飞检/飛檢 飞行检查/飛行檢查