那既然都是四季通用机油，为什么还有分5W-30和5W-40呢？这是美国汽车工程学会制定的世界通用的衡量机油黏度的标准，咱们在机油桶上标号前面看到 ...
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Can You Use 5W-30 Engine Oil Instead Of 5W-20?the only motor oil you have available is 5W-30, and you must drive it, it's better to add the 5W-30 than it is to drive your car with extremely low engine oil. However, I would advise against ...
0代表了零下35摄氏度下可以流动。5代表了零下30摄氏度下可以流动。一般的地区选择5w就可以了，更加寒冷的地区可以选用0w。w后面的数字代表了100 ...
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