1) welding of rock bit assembling
钻头组装焊接
1.
This paper introduces the main characteristics of rich Ar mixed gas shield welding with metal powder cored wire, and then designs and experiments on welding parameters, obtains optimum welding specification for this method application on the welding of rock bit assembling, at last, analyses the cost of producing.
介绍了金属粉芯焊丝富氩混合气体保护焊的主要特点 ,对焊接工艺进行了设计与试验 ,得出了该方法用于钻头组装焊接的最佳工艺规范 ,最后进行了成本分析。
2) butt welded drills,tipped drill
焊接钻头
4) welding assembly
焊接组装
1.
The welding assembly of aluminium car body;
铝合金车体的焊接组装——新的摩擦搅拌焊技术(FSW)和最近的车体技术
5) butt-welded drill
对头焊接钻头
6) weld-on type tool joint
焊接式钻杆接头
补充资料：采用同步焊接技术组装转炉托圈
采用同步焊接技术组装转炉托圈
采、同步)焊接技术组装转炉托圈醚
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条