To keep the inside working parts of your engine clean, use engine oil and fuel that have tested engine cleaning properties.
为保持引擎内部工作部件的清洁，使用经检测具有清洁引擎性能的机油和燃料。
Excellent dispersancy and detergency keeping the engine clean and thus preserving its power.
卓越的分散清净性，保持发动机清洁并有效保存动力。
Excellent dispersancy and detergency keeping the engine clean and thus preserving its power.
卓越的分散清净性，保持发动机清洁并有效保存动力。
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