secondary hardening
[纺织英汉词典]
secondary hardeningn.二次硬化,回火硬化
是什么意思,secondary hardening的解释,secondary hardening的翻译
[冶金英汉词典] secondary hardening
[冶金学英汉词典] secondary hardening
[电信英汉词典] secondary hardening
[航海英汉词典] secondary hardening
[船舶英汉词典] secondary hardening