About LUPIN V A
About SHAKHMATOV M V
About EROFEEV V V
About OSTSEMIN A A
About Problemy Prochnosti
About welded joint
About Welding design,welded structures
About Piping fittings,valves
About 耐摩耗
About パイプ
About 力学
About 不均一
About 溶接継手
About 耐荷力