steel thickness does not translate into structural strength

來源: once4all09 於 2010-01-26 08:32:18 [] [舊帖] [給我悄悄話] 閱讀數 : (241 bytes)
回答: 德， 美車是不是就厚重些？ 由 泥腿 於 2010-01-26 08:06:46

it depends on the quality of steel used. Alumimum is more expensive than common grade steel. Hi-line cars use carbon material at greater cost.

Cheaper cars have to be heavier in order to meet governments' regulation & requirements.

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