外壳表面应平整无划痕、缩水纹、毛刺及其它机械损伤。
Surface of the adaptor case should no scratch , . no shrinkage mark, flash and mechnical damage.
目视检查，无外观异常，表面无明显划痕、毛刺及其它机械损伤，外露金属部分无锈，其它限度根据样品确认。
Visual inspection the case have no visual abnormality, no obvious Nick, burr and other mechanical damage, outer metal have no rust. Use limit sample to check for any failures.
目视检查，无外观异常，表面无明显划痕、毛刺及其它机械损伤，外露金属部分无锈，其它限度根据样品确认。
Visual inspection the case have no visual abnormality, no obvious Nick, burr and other mechanical damage, outer metal have no rust. Use limit sample to check for any failures.
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