機油標示的標準 - 社會議題
By Sandy
at 2010-03-28T00:00
at 2010-03-28T00:00
Table of Contents
以SAE&API為標準(SAE為美國汽車工程協會API為美國石油協會)1.機油上面都會標示很奇妙的數字例如5W~40請問這數字是SAE以什麼為標準訂的?2.5W~40被稱為什麼機油?3.通常機油罐上面不只會標示5W~40還會標示像SL或SM等等的的標示請問SL或者是SM代表機油的什麼?4.有一種油標示著這種數字80W~90請問80W~90這是什麼��
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社會議題
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By Edwina
at 2010-03-30T23:25
at 2010-03-30T23:25
By Lucy
at 2010-03-28T18:37
at 2010-03-28T18:37
By Connor
at 2010-03-31T04:40
at 2010-03-31T04:40
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