Analyzed the trimming methods when the thick of plate less than two times bending height, introduced the die structure, design points and its working process.
分析了板材弯曲高度小于两倍料厚时，采用切边方法，并介绍了切边模结构、模具的设计要点及其工作过程。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
Steel thick plate of steel sheet and the same.
厚钢板的钢种大体上和薄钢板相同。
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