Unverified90% confidenceTradeoffTime unknown
0W-20低粘度设计有助于冷启动润滑和燃油经济性,但代价是在高温极端工况下油膜厚度低于高粘度产品,是省油与保护力之间的固有权衡。
1
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90%
Confidence
Long-term
Relevance
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