论文部分内容阅读
介绍了煤化工工程项目建设中,各种规格、不同厚度表面防腐涂层磁性材质管子、管件磁粉检验方法。
Introduced the coal chemical engineering project construction, all kinds of specifications, different thickness of the surface anti-corrosion coating magnetic material pipe, tube magnetic particle test method.