piston
preferred label: پیستون @fa
type: Concept
narrower: split skirt piston

engine piston
preferred label: پیستون موتور @fa
type: Concept
narrower: split skirt piston

split skirt piston
broader: engine piston
broader: piston
preferred label: پیستون بدنه‌چاک‌دار @fa
type: Concept