The structure and machining process of plane diffluent compound die are introduced.介绍了平面分流组合模的结构和加工工艺.The formation of grain boundary step when machining poly - crystal is also examined.还探讨了加工多晶材料时晶界台阶的形成.Abstract: The s...
There is enough power to run up to four lights.电力足够带起4盏灯。an increase in spending in the run-up to Christmas圣诞节前花费的增加The company believes the products will sell well in the run-up to Christmas.这个公司相信这些产品在圣诞节前夕一定会畅销。...