最后研究了该合金的时效硬化效应。

Finally, age-hardening effect of the alloy is studied.

youdao

铜的时效硬化是该钢最显著的特点之一。

Age hardening is the most distinct feature of the steel.

youdao

铜的时效硬化是该钢最显著的特点之一。

Age hardening is the most distinct feature of the steel.

youdao