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关注：1
2013-05-23 12:21
求翻译：when the base material or weld surface interferes with the examination,the base material or weld shall be prepared as needed to permit the examination.The scanning sensitivity level shall be set a minimum of 6 dB higher than the reference level gain setting是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
when the base material or weld surface interferes with the examination,the base material or weld shall be prepared as needed to permit the examination.The scanning sensitivity level shall be set a minimum of 6 dB higher than the reference level gain setting
问题补充： |
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