RCC-M和JB/T 4730.5标准中关于渗透检测试块类型及使用规定的差异
RCC-M화JB/T 4730.5표준중관우삼투검측시괴류형급사용규정적차이
Discrepancy Analysis on the Type and Usage of Penetrant Testing Blocks Based on RCC-M and JB/T 4730.5
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