重点介绍了钢板、板卷、钢管、弯管生产试验中几个重要的质量控制实例。

Several examples of the said quality control are described, involving the production of steel plate, strip, pipe and elbow, etc.

youdao

重点介绍了钢板、板卷、钢管、弯管生产试验中几个重要的质量控制实例。

Several examples of the said quality control are described, involving the production of steel plate, strip, pipe and elbow, etc.

youdao