[KongchangAI]
Unverified83% confidenceTradeoffTime unknown

轻量化与坚固性矛盾:碳纤维/超轻铝合金款重量可低至5-6kg便于折叠搬运,但承重和抗扭稳定性弱于钢制或加厚铝合金款(后者常重8-10kg)

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