This middle scale reservoir is built in a natural blind valley without a dam, and in view of engineering handling, the major measure is high pressure grouting assisted by other methods to deal with karst and seal subterranean rivers.是什么意思_This middle scale reservoir is built in a natural blind valley without a dam, and in view of engineering handling, the major measure is high pressure grouting assisted by other methods to deal with karst and seal subterranean rivers.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句