基本解释尖拱英汉例句双语例句The lateral stiffness of the single rib arch is very small due to it removed the lateral bracing, so the lateral stability of the arch rib is the acute issue.由于去掉了中间的横向联系，侧向刚度很小，拱桥的横向稳定问题特别突出。acute arch更多例句词组短语短语Arch ´ 蜜桃力娇acute arch更多词组英英字典柯林斯英英字典 &rarranother name for lancet arch acute arch剑桥字典acute arch柯林斯字典专业释义土木建筑工程尖拱