他们重铺一段很长的巷道,交通仅限于单向的。
They were repaving a long section of the roadway, and traffic was limited to one-way.
另外,也对部分零膨胀单向混杂复合材料的铺层结构进行了预测。
Moreover, some ply patterns of zero thermal expansion of unidirectional hybrid composites are predicted.
研究了单向混杂复合材料热膨胀系数随混杂比、混杂界面数及铺层顺序等参数变化的规律。
The variation of CTE values of the unidirectional hybrid composites with hybrid ratio, hybrid interfaces and ply order is studied.
应用推荐