在万象头和伸缩接头的应用下，传动轴还能进行收缩，伸展或改变运行角度等方式来传递扭矩。

The drive shaft is able to contract, expand, and change operating angles while transmitting torque through the use of universal joints and slip joints.

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得到有益于认识铸件中此类接头凝固特性和热节位置的变化规律，对工艺设计者认识和防止成型过程中产生凝固收缩缺陷是很必要的。

The results are very important to understand the solidification characters of steel castings with T conjunction and to estimate the position of the hot-spot in the castings to avoid shrinkage defects.

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焊后试件的性能测试结果表明，焊接接头的拉伸强度、断面收缩率、延伸率及冲击韧性均已超过母材。

The results of performance measurement test show that tensile-strength, contraction of cross sectional area, elongation percentage, dynamic ductility of the weld all exceed their base metal.

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