... 镦粗试验 upsetting test 镦粗直径 upsetting diameter 镦锻 hammer down ...
双语例句
1
The opposite of elongation is upsetting, which produces compressive shortening. For example, the diameter of a bar can be increased by heating and hammering axially.
与伸长相反的是镦粗，即产生压缩性缩短。例如，棒料的直径可以通过加热和轴向锤击而增大。
2
In the cold upsetting production, when the head of the part deforms much, a big block would generally be used and the diameter reducing processing method adopted.