送交者: HunHunSheng 于 2006-5-31, 12:57:15:
回答: 你们丫的在美国在这么多年居然top-off也不懂 由 HunHunSheng 于 2006-5-31, 12:24:42:
6. Buy gasoline during coolest time of day - early morning or late evening is best. During these times gasoline is densest. Keep in mind - gas pumps measure volumes of gasoline, not densities of fuel concentration. You are charged according to "volume of measurement".