【化】 次品率

defective product

defective virus

defective

defective goods【工经】;degraded product【工经】;substandard goods【工经】

order for reconditioning of defective work

defective interfering particles,DIP

inferior goods【贸易】;defective goods【贸易】;substanderd goods【贸易】

lot tolerance percent defective【经管】