The pressure exerted by the electrode tips, through which the current flows, holds the parts to be welded in intimate contact before, during, and after the welding current time cycle.

施加的压力电极提示，通过目前的流动，拥有部分焊在亲密接触之前，期间和之后的焊接电流的时间周期。

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The distributions and changes of the contact pressure, flow stress and velocity field on the welding plane were analyzed.

分析了不同分流模模桥结构下焊合面上接触压力、流变应力和速度场的分布及其变化。

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The pressing means (36) is filled with a gaseous or liquid medium via the supply unit (39) in order to adjust the contact pressure applied to the welding rod (13) by the conveying means (28).

所述压力机构（36）通过供给单元（39）填充有气态或液态介质， 以调节由输送机构（28）施加在焊线（13）上的接触压力。

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