Introduce welded seam specification, standards performed, inspectation items and acceptableindex for welding of body and joint pipe.
介绍了阀体与接管焊接的焊缝技术要求、执行标准、检验内容及合格指标。
2
The research also showed that the index system of key disciplines evaluation in Hebei province had acceptable reliability, but relatively low validity.
研究表明，河北省重点学科评估指标体系具有可接受的信度，但效度有待提高。
3
If the estimated range reaches an acceptable range, the color index of the designated regions is found.