“铸件无损自动检查装置”一本在本刊(见78年第5期)发表后,作者先后收到许多单位的来信,并接待了一些单位的来访。总的都是询问这种装置能否适用其他厂的产品。为此,作者针对这篇文章作了以下两点补充,现刊登出来,供有关单位参考。 After the publication of this article (No. 5 of 78), the author received many letters from many units and received some visits from some units. The general question is whether this device can be applied to other plant products. To this end, the author made the following two supplements for this article, is published for reference for the relevant units.