This is the Zhongyuan Oilfield in recent years, the maximum span of the construction of gas pipeline project, a pipeline project, but also that the first swing truss bridge tower.
这是中原油田近年来承建输气管道工程跨径最大的一项管道铺设项目,同时也是国内第一个摇摆塔式桁架桥。
The roof in working areas is simplified as rock beam, the maximum tensile stress and limited span of rock beam are important in mining engineering.
将采场顶板简化为岩梁模型,岩梁的最大拉应力及其极限跨距是采矿工程涉及到的两个重要参数。
'Maximum rim growth times span from approximately 1 minute to 35 years, with a median of approximately 4 days, ' the authors wrote.
作者们写道:“大部分轮辋的生长时间都在约1分钟到35年之间,其中中位数大约是4天。”
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