Structural Form and Treatments on the Curtain Depth and Length of Curtain-grouting Curtain Preventing to Seepage of dam Foundation of Reservoirs in Karst area是什么意思_Structural Form and Treatments on the Curtain Depth and Length of Curtain-grouting Curtain Preventing to Seepage of dam Foundation of Reservoirs in Karst area在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句