機油在發動機低溫時要的是流動性,高溫時要的是潤滑層的強度,後者要靠潤滑油的粘度來維持。
也就是說冷稀熱稠是理想。
機油在發動機低溫時要的是流動性,高溫時要的是潤滑層的強度,後者要靠潤滑油的粘度來維持。
也就是說冷稀熱稠是理想。
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