expansion and contraction joint 伸缩缝; 伸缩接合 expansion and contraction of paper 纸张收缩 financial expansion and contraction 财政的伸缩 .
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Construction quality of Maurea expansion and contraction joint of bridge directly affects the service level and driving comfortability of highway bridge.
桥梁毛勒缝的施工质量直接影响公路桥梁的服务水平和行车的舒适性。
At least one flexure joint is provided in the grating mount which permits thermal expansion and contraction of the substrate.
在光栅固定件中至少设置一个挠曲连接部，它允许基片热膨胀和收缩。
The welted joint, executed in this way, is a rapid means of jointing and effectively allows for expansion and contraction of the metal covering.
这种新方法需要一种专门的高效率的机械装置。对接坡口焊是一种连接迅速的施焊工艺，它可以有效地保证金属盖板的胀缩。
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