If applied to a 1 in thick weld joint, the welding symbol below describes what type of weld?
如果应用于 1 英寸板厚的焊接接头 ，以下焊接符号表示的是什么焊缝类型?。
If the produced junction is sound electrically and mechanically, the type of weld or impurities in the junctions itself have no effect on the accuracy and certainly no improvement in accuracy.
如果所产生的焊点(接头)在电力和机械方面都比较可靠，接头的焊接类型或接头内部的杂质丝毫不会降低焊接精度，当然也不会提高焊接精度。
The development procedure of the milling machine on line used in production of weld H type section steel was described in details, including the design idea, structure mode and working principle.
详细阐述了焊接H型钢生产线在线铣削机研制过程中的设计思想、结构形式和工作原理，介绍了设备的结构特点和使用效果。
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