[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

挂钩类型需匹配车厢固定点:J型钩(平钩)适合平板车侧栏,S型钩通用性强但受力时易滑脱需配保险扣,双J钩/框架钩(delta ring)适合无固定点场景。避免只看带子不看钩子承重,钩子往往是薄弱环节

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