... spiral welded tube 螺旋焊管 spiral welding 螺旋焊 spirally reinforced column 配螺旋钢筋的混凝土柱 ...
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Spiral Welding Steel Pipe 螺焊钢管
spiral welding pipe 螺旋焊接管
spiral pipe welding machine 螺旋焊管机
Welding Spiral End Mill 焊接螺旋立铣刀
spiral case welding detection 蜗壳焊缝检测
welding of spiral seam 螺旋缝焊接
The results showed that the failure of spiral welding pipes was mainly caused by piled solid, the increase of the water in solid and th...
失效分析结果表明，螺旋焊管焊缝断裂主要是由于管道附近泥浆化趋势、较高的堆土以及焊缝缺陷造成。
The high frequency welding procedure and its forming fundamental of spiral fin pipe is introduced.
介绍了螺旋翅片管高频焊接工艺及其成型基本原理。
The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
螺旋通道的端面是焊接密封的，密封性能好，结构可靠。
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