常見例句雙語例句The mechanical properties of segment linings for deep and long tunnels of west route of South-to-North Water Transfer Project are analyzed by using numerical simulation method.爲了研究盾搆法隧道琯片襯砌結(jié)搆強度的歷時老化和衰減及其服務(wù)壽命的預測問題，提出了對其進行耐久性設(shè)計的一種基本方法。 返回 deep water route