The softening coefficient of anhydrite products is 0.77 when the content of pulverous coal is 15% and the content slag is 25%.是什么意思_The softening coefficient of anhydrite products is 0.77 when the content of pulverous coal is 15% and the content slag is 25%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句