A ductile metal becomes harder and stronger as it is subjected to cold working
举一反三
- A ductile metal becomes harder and stronger as it is subjected to cold working
- A ductile metal becomes harder and stronger as it is subjected to cold working A: 正确 B: 错误
- How is the ductility of a metal normally affected by cold working?Why?
- Communication has created a world economy in which working smarter is more important than______. A: work harder B: working harder C: to work harder D: to working harder
- 重结晶过程中,力学性能会发生什么改变? A: harder B: weaker C: more ductile D: softer