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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