Assemble machinery and equipment prior to installation using hand and power tools and welding equipment.

安装之前，使用手动和电动工具，焊接设备，组装机械设备。

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When designing jointing part, on one hand some requires of structure intensity and working conditions are considered, on the other hand, some characters of welding technics are also considered.

设计焊接结构件时，一方面要考虑结构强度和工作条件等性能的要求，另一方面还要考虑到焊接工艺过程的特点。

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When a hand wheel is toggled, the nut connecting plate drives the hand piece of the suspended type submerged arc welding machine and a wire reel bracket to move axially.

拨动手轮时，螺母连接板带动悬挂式埋弧焊接机头与焊丝盘支架轴向移动。

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Those measurements are then fired off to legendary bike builder Ted Wojcik, who has been hand-welding and bending award-winning frames for over 25 years.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt

Friction stir welding is at least twice as strong and 20 times as fast as hand-riveting.

FORBES: Ready for Takeoff