内燃机 活塞环 第5 部分:检验方法
Internal combustion engines-Piston rings-Part 5 :Inspection measuring principles
Internal combustion engines-Piston rings-Part 5 :Inspection measuring principles
Internal combustion engines-Piston rings Part 13:Oil control rings
Internal combustion engines-Piston rings Part 12 :Half keystone rings made of steel
Internal combustion engines-Piston rings-Part 1:General specifications
Internal combustion engines-Piston rings Part 17:Coil-spring-loaded oil control rings made of steel
Internal combustion engines-Piston ringsnPart 2:Vocabulary
Internal combustion engines-Piston rings Part 3: Material specifications
Internal combustion engines-Piston rings Part16 :Expander/segment oil-control rings
Internal combustion engines-Piston rings Part 15: Coil-spring-loaded oil control rings of narrow width made of cast iron
Internal combustion engines-Piston ringsnPart 4:Quality requirements