论文部分内容阅读
我国自行研制的XS2120型覆膜砂生产线已用于生产,本文对该线工艺流程及该线两个主要设备的专利技术作一简介。
Our own developed XS2120 coated sand production line has been used in the production of this line of technology and the line of the two major patented technologies for a brief introduction.