Technique and Quality Control of Slurry to Protect Drilled Bores for Large Diameter Bored Cast-in-Place Piles是什么意思_Technique and Quality Control of Slurry to Protect Drilled Bores for Large Diameter Bored Cast-in-Place Piles在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句