Unverified85% confidenceDecision RuleTime unknown
钢管壁厚是稳固性核心指标，儿童拉伸训练器主承重管壁厚应≥1.5mm，直径≥32mm；壁厚<1.2mm的薄壁管长期使用易变形弯曲，用手捏管体明显形变的产品不建议购买
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