石灰石
谁知道哪里有生产石灰石粉末的,求告知谢谢。http://pic.ishijing.com/pic/20210830/1630312514074587_790.jpg?watermark/1/image/aHR0cDovL3BpYy5pc2hpamluZy5jb20vcGljLzIwMjAwNjEzL3FpX25pdV8xNTkyMDIxNzk3MTgzXzJfNzIzXzI3Mi5wbmc=/dissolve/50/gravity/SouthEast/dx/20/dy/20
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