Found 2 3D-models for “Piston Rings” across many websites

#steam engine#rod#cylinder#engineer#engine#Piston Rings#piston#crankshaft#rings
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Triple Expansion Marine Steam engine update 4

Triple Expansion Marine Steam engine update 4

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Piston cylinder with Crank and Piston Rings

Piston cylinder with Crank and Piston Rings

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