車減少重量有兩種辦法:一是減少用材:薄鋼板,塑料代替金屬。二是保持車體的強度,而用更輕的材料,比如:鋁材,碳纖維,(也叫玻璃鋼)。一會降低車的整體剛度,但能提高 Gas Mileage. 還能降低車的成本。二 也能提高 GasMileage. 但能保持車的整體剛度。會提高車的成本,車會貴一些。
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操控性,安全性、經濟性,三選二。
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11/10/2013 postreply
13:14:46
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