Unverified85% confidenceTradeoffTime unknown
铝合金架比钢架轻30-40%且不易锈,适合频繁装拆和沿海潮湿地区;钢架强度更高、成本低,适合长期固定安装的重载场景(如工程车、货运)
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85%
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Long-term
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