关于厨房设备测试台的说法，正确的是：

when a separation of materials occurs due to an adhesive failure.

when the separation of plies occurs in a multi-laminate material. This can be caused by the material being hit - Impact Delamination, or when there is a resin failure for any other reason.

Surface damage at the interface between elements of the joints resulting from very small angular or linear movements. Evidence of fretting is usually the production of fine black powder staining.

an area of a component＇s surface that has been pierced through or into its interior.

categorized as Repair Category A

categorized as Repair Category B

categorized as Repair Category C

Fan rotor blades for:FOD caused cracks or tears.

雷达罩检查时将雷达罩分为几个区域

雷达罩锁扣附近有一凹坑尺寸为45mm