The maximum vertical displacement of the top rock is 2.3 mm and that of the bottom rock approximates zero after anchorage concrete being cast.是什么意思_The maximum vertical displacement of the top rock is 2.3 mm and that of the bottom rock approximates zero after anchorage concrete being cast.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句