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枫下家园 / 爱车一族 / A worth to read article about motor oil. Talking about whether you need to change your engine oil every 3000 miles/5000 km.
-speed(如风);
2002-8-22
(#706835@0)
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I've finished reading it and feel like an engine oil expert now. Thanks a bunch! btw, could u tell me ur opinion about the credibility of the author?
-hanarmy(汉军);
2002-8-22
(#707142@0)
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i am not an expert, but it looks reasonable to me.
-speed(如风);
2002-8-22
(#707175@0)