About BYKOVSKIJ N G
About FILIMONOV G N
About SHVED M M
About BILYJ L M
About Fyiziko-Khyimyichna Mekhanyika Materyialyiv
About low alloy steel
About GOCT36KH2N2MFA
About Mechanical properties
About Corrosion
About Gears,gear units
About Surface hardening
About 溶解
About 鋼
About 疲れ強さ
About 窒化
About 保持時間