Reheating a hardening component to a temperature lower than the hardening temperature and

Reheating a hardening component to a temperature lower than the hardening temperature and then cooling it is known as .

A.low temperature hardening

B.case hardening

C.annealing

D.tempering

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

Project work packages are typically decomposed into smaller components called activities t

答案解析
● The （71） has several major components, including the system kernel, a memory management

答案解析
● The （72） has several major components, including the system kernel, a memory management

答案解析
Project work packages are typically decomposed into smaller components called activities t

答案解析
【C7】A．substitutesB．substancesC．subsidiesD．components

答案解析
● Basically, a computer consists of five components: （71)， memory, storage, input device a

答案解析
The key components of a computer mouse are the tw

答案解析