Finally, the direction of the study is put forward about the material metabolism response to regional land use change.
最后提出了区域土地利用变化物质代谢效应响应的研究方向。
Shaft Change: Three kinds of cutting shafts for optional using on this machine, which use quick changing shaft according to different material.
快速换轴装置：本机器有三种切割轴可共选用，采用快速换轴方式，因应不同材料需求。
Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.
用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。
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