huó sāi huán

〈車〉ピストンリング

〈車〉ring zone

〈車〉piston ring land

〈車〉piston ring groove

〈車〉piston ring plier

〈車〉piston ring tool

〈車〉back of ring

〈車〉piston ring tongs

〈車〉piston ring chamfering grinding machine

〈車〉internal and cylindrical centerless grinder for pistone ring

〈車〉horizontal spindle double ended grinding machine for piston ring

〈車〉piston ring superfinishing machine

〈車〉automatic inspection machine for piston ring tension

〈車〉vertical -spindle double ended grinding mahcine for piston ring

huó sāi huán

ピストンリング