acute arch

常見例句

雙語例句

• 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.
  由于去掉了中間的橫向聯(lián)系，側(cè)向剛度很小，拱橋的橫向穩(wěn)定問題特別突出。
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