The results demonstrated that employment of ultrasonic wave has benefit on the maintenance of catalyst activity.The interspace of nickel (111) crystal face increases its distance at 1.5%.是什么意思_The results demonstrated that employment of ultrasonic wave has benefit on the maintenance of catalyst activity.The interspace of nickel (111) crystal face increases its distance at 1.5%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句