The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.

焊缝成型的变化是电弧收缩与表面张力变化双重作用的结果。

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Dacron polyester fibers have a high resistance to burning. They tend to fuse and shrink away from the flame, forming a bead that is very hard after cooling.

大可纶纤维具有较好的阻燃性能。在点燃聚酯纤维时，纤维会熔化并在火焰作用下收缩，最终形成球状。冷却后熔球具有较高的硬度。

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The material of the present invention has wide responding voltage range, may shrink in different voltages, and has the features of convenient control, easy forming and wide application range.

本发明所制备材料的响应电压范围大，可在不同的电压作用下收缩，具有控制方便、可实现定量控制、易加工成型及应用范围广的特点。

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For the 12, 000-seat basketball arena, architects at Wilkinson Eyre devised a rapidly erected steel-frame system shrink-wrapped with a white PVC skin, the curved steel stretchers forming a pattern of alternating diagonal projections on the outside.

WSJ: London Olympics 2012 | These Knock-Down, Shrinkable Games | By Hugh Pearman