keystone ring meaning in Chinese
梯形环
Examples
- Internal combustion engines - piston rings - keystone rings
内燃机.活塞环.梯形环 - Internal combustion engines - piston rings - half keystone rings
内燃机活塞环.单面梯形活塞气环 - Internal combustion engines - piston rings - half keystone rings made of steel
内燃机.活塞环.钢制半梯形环 - Internal combustion engines - piston rings - half keystone rings made of cast iron
内燃机.活塞环.铸铁制半梯形环 - Internal combustion engines - small diameter piston rings - part 9 : keystone rings
内燃机.小直径活塞环.第9部分:楔形环