Then it proposes the factors which effect the economic recoverable reserves and analyzes the changing trends of the economic recoverable reserves under the effects of various factors.是什么意思_Then it proposes the factors which effect the economic recoverable reserves and analyzes the changing trends of the economic recoverable reserves under the effects of various factors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句