基本解释库尔曼同根派生 Culmann相关词英汉例句Ameliorated Culmann's graphical construction and its application in earth pressure calculation 改进的库尔曼图解法及其在土压力计算中的应用culmann graphic method 库尔曼图解法Culmann's formula 卡尔曼公式Culmann更多例句