The structure of slide rail over and under type skidbed drawing steel rail has been introduced, and the strength and rigidity of main load -bearing slide rail have been calculated.
介绍了攀钢轨梁厂钢轨收集装置——滑轨升降式拉钢台架的结构，并计算了主要受力构件滑轨的强度和刚度。
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Every weekend in the quasi - urban wasteland of the Chaobai river outside Beijing, Chinese yuppies congregate to skid their sports utility vehicles around the dry river bed.