Design and Construction of Tamping and Expanding Piles without Piling Boots Used in the Alluvial Denudation Area of the Gan River是什么意思_Design and Construction of Tamping and Expanding Piles without Piling Boots Used in the Alluvial Denudation Area of the Gan River在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句