Unverified80% confidenceCautionTime unknown
选支架材质：碳钢/铝合金支架稳定性远优于塑料支架，塑料支架用力击打易晃动倒塌，5岁以上力度较大者不建议纯塑料款
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified塑料托盘天平轻便但精度低（误差常达数克），金属横梁天平精准耐用但重且价高、有小砝码风险；低龄阶段用塑料够用，学到重量单位换算时再升级金属款84% similarUnverified塑料材质耐用性和刚性不如铝合金壶架，长期使用或暴力装拆可能出现夹持力下降84% similarUnverified金属中框（铝合金）套件比塑料件贵且拆装更难（需拆主板/电池），但塑料替代件在跌落时缓冲差、卡扣易断裂，追求长期耐用选原厂同材质金属件83% similarUnverified材质耐用性：夹取头选ABS工程塑料或不锈钢，避免普通PP塑料（低温易脆裂、长期咬合处开裂）；连接杆选铝合金优于纯塑料伸缩杆83% similarUnverified碳钢结构相比塑料或铝合金阅读架更耐用不易变形，长期承重不会出现塑料架常见的卡扣松动问题82% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/273525API
curl https://kongchang.com/api/v1/knowledge/claims/273525MCP
get_claim(id=273525)