梯形环 meaning in Chinese
keystone ring
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 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 - Half keystone ring
半梯形环