[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

脚踏式内部结构关键看铰链和踏杆是否为金属,塑料踏杆和联动杆是主要故障点,使用1-2年后易断裂或踏板失灵,不锈钢内桶+金属踏杆结构寿命明显更长

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85%
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Long-term
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