The mechanism of the inclusion and shrinkage cavity in high-strength brasses produced by bottomrunning method was analyzed from the point of view of production technology.
通过实际生产从工艺角度分析了底注法生产窄结晶温度范围高强度黄铜时夹杂、 缩孔缺陷的产生机理。
2
The wrinkles looked a bit like the patterns on the bottom of the running shoes.
这些皱纹看起来有点像运动鞋底部的图案。
3
The salesperson can look at the wear on the bottom of your running shoes to get some more insight into your running style.