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Terms containing nitrogen case hardening | all forms | in specified order only
SubjectEnglishChinese
spacenitrogen case hardening渗氮
tech.nitrogen case hardening表面渗氮淬火
auto.nitrogen case-hardening氮化硬化
el.mach.nitrogen case-hardening渗氮硬化
tech.nitrogen case-hardening渗氮表面硬化
avia.nitrogen case-hardening渗氮
met.nitrogen case-hardening process表面渗氮硬化法