On the pit plane, this paper uses Coulomb抯 earth pressure theory to calculate active soil pressure.At the same time, the fulcrum is considered as elastic node.是什么意思_On the pit plane, this paper uses Coulomb抯 earth pressure theory to calculate active soil pressure.At the same time, the fulcrum is considered as elastic node.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句