The saw guides on the straight saw are only about 2 high.
2
且拥有数控立式车床、大型落地镗床、自动间隙埋弧焊、光电跟踪切割机以及各类计量检测设备。
And has a CNC vertical lathe, boring machine large landing, automatic gap submerged arc welding, electro-optical tracking cutting machine and a variety of measurement test equipment.
3
从酸蚀断面还可以看出:在原自动埋弧焊的上面覆盖有多层焊道。
The etched section also reveals that multiple weld passes were made over the top of the original submerged arc weld pass.