rectangular ring meaning in Chinese

矩形环

Internal combustion engines - piston rings - rectangular rings
内燃机.活塞环.矩形截面环
Internal combustion engines - piston rings - steel rectangular rings
内燃机.活塞环.钢矩形环
Internal combustion engines - piston rings - rectangular rings made of steel
内燃机.活塞环.钢制矩形环
Internal combustion engines - piston rings - rectangular rings made of cast iron
内燃机.活塞环.铸铁制矩形环
Internal combustion engines - piston rings - rectangular rings with narrow ring width
内燃机.活塞环.窄宽度矩形环

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