常見例句雙語例句Solving the corresponding differential equation, an analytical solution for the surface crack width of concrete covers is derived.通過求解相應的微分方程，導出混凝土保護層表面裂縫寬度的解析解；According to the calculating equation of the crack width of concrete structural element, the thesis establishes the limits tate equation and confirms the random variable;本文根據(jù)混凝土結構構件裂縫寬度計算公式，建立極限狀態(tài)方程，確定其隨機變量； 返回 crack width equation