Superseded90% confidenceDecision RuleTime unknown
材质硬度需匹配咬合力：中大型犬（如拉布拉多、金毛）应选天然橡胶或TPR材质且邵氏硬度≥70A，避免EVA或软塑料，后者易被咬碎导致误吞肠梗阻
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This knowledge claim has been superseded by newer content
遛狗宠物飞盘应选软质TPR或橡胶材质（邵氏硬度＜60A），硬质塑料竞技盘会磕伤狗牙齿和口腔Sources
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