With ultrasonic plastic welding, ultrasonic metal welding, resistance welding prototype and so on.

备有超声波塑料焊接，超声波金属焊接，电阻焊接样机等。

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Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.

热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。

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Parameters of butt fusion welding of plastic pressure-pipe are different for varying pipe diameters and ambient conditions, and it is also affected by personal factor.

塑料压力管道热熔对接焊的工艺参数随管道尺寸和环境条件的不同而不同，同时还受人为因素的影响。

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Lederman and his team of engineers spent 25 years dissolving and welding plastic until they had a totally seamless, continuous surface that minimizes the threat of clots.

FORBES: Lonely Heart

So Parks borrowed a tool common in the welding of plastic components, which is to gently agitate the hopper so that particles flow like water into a metering chamber.

FORBES: The Impossible Made Possible