It shows that surface layer stress of composite subgrade with plain concrete pile improved by plain concrete is focused on pile and is diffused to deep layer;there is displacement between pile and.是什么意思_It shows that surface layer stress of composite subgrade with plain concrete pile improved by plain concrete is focused on pile and is diffused to deep layer;there is displacement between pile and.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句