levigation 中文意思是什麼
levigation
解釋
澄出-
Producing small building blocks by mixing modified levigation powdered coal into coal cinder
改性磨細粉煤灰摻入煤渣生產小砌塊 -
And its levigation technology was very special
而且他的研磨工藝還十分獨特。
分享友人