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Originally posted by SusanCrystal at 2005-1-16 06:33 PM: 所需energy =[200*450*(200-15)] J =16650000 J 至於要幾多時間...要視乎heater嘅power
Originally posted by pokevect at 2005-1-17 17:07: 會考課程黎架bor~~~
Originally posted by Echo21 at 2005-1-17 04:49 PM: Form 3都有可能會 看學校而定
Originally posted by questerli at 2005-1-17 12:40: 好彩,出年才學。
Originally posted by questerli at 2005-1-16 06:55 PM: 看似很難,不知form幾才教?
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