紧固件的表面不连续性。第1部分：一般要求的螺栓，螺钉，螺柱。

Fasteners surface discontinuities; part 1: bolts, screws and studs for general requirements.

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缺欠。可用本标准操作规程手册中所述检验方法检验的产品壁面或表面不连续性。

Imperfection. A discontinuity in the product wall or on the product surface that can be detected by the inspection methods contained in this SOP manual.

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所有这些测试是用来检测表面裂缝不连续性。

All of these tests are used to detect surface crack discontinuities.

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