在掌握新的工艺过程吋,特別是象电渣焊接,它与其他的焊接方法有本質上的区別,因此必須要进行試驗工作。无論是全面地掌握所有的工作,或者是單独地进行某一項規定的試驗,都应該有一定的目的,而且事实上也有着一定的目的。如果我們正确地选擇了完成这些 In mastering the new process, especially electroslag welding, it is essentially different from other welding methods and must be tested. Whether it is grasping all the work in an all-round way or conducting the tests of a given regulation separately, there should be a certain purpose, and in fact it also has a certain purpose. If we choose exactly what to do with them