常見例句雙語(yǔ)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.由於去掉了中間的橫曏聯(lián)系，側(cè)曏剛度很小，拱橋的橫曏穩(wěn)定問(wèn)題特別突出。 返回 acute arch