Piston ve supapları ZrO2 kaplanmış bir dizel motorunda bitkisel yağın kullanılması / Vegetable oil usage in a diesel engine that its piston and valves coated with ZrO2
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Piston ve supapları ZrO2 kaplanmış bir dizel motorunda bitkisel yağın kullanılması / Vegetable oil usage in a diesel engine that its piston and valves coated with ZrO2