An Analysis of the Capacity of Scientific-and - technolo-gical Input in Chinese Nonmetal Mineral Products Industry--Taking Large and Medium-sized Enterprises as Examples是什么意思_An Analysis of the Capacity of Scientific-and - technolo-gical Input in Chinese Nonmetal Mineral Products Industry--Taking Large and Medium-sized Enterprises as Examples在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句