The paper discusses basic ways of slabstone edge shearing at present and analyses the basic mechanics in the edge shearing action, and the design of the shearing machine. 论述了目前板石切边的基本方法，分析了切边作用的基本力学问题及切边机设计的基本问题。
Moreover, we also export gray, green and yellow-rust slabstones, specializing in slabstone and kallaite with the processing, manufacturing and exporting as a whole. 是生产加工和出口销售板石和绿松石专营性企业。
