关于hardening的百科

• hardening造句怎么写

• airhardeningrefractorycementfasthardeningconcrete"Sclerosis"forhardeningorscarring.Three:theyarehardening,temperandanneal.Three.Theyarehardening,temperandanneal.Theproceduresofheattreatmentofsteelincludehardeningtemperingannealingandcasehardening.W...
• 2017-11-1624538

• precipitation hardening造句怎么写

• StudyoncontinuousheatingtransformationinaprecipitationhardeningbainiticsteelTheprecipitationhardeningeffectandthegrainrefiningeffectoftraceelementsvanadiumandtitaniuminmicroalloyedsteelswereresearchedon....
• 2017-01-2313045