Unverified80% confidenceTradeoffTime unknown
钢丝内芯牵引绳耐拉力可达50kg以上但重量偏沉，尼龙编织绳20-30kg拉力更轻便，2-4岁儿童选尼龙编织即可，无需过度追求钢丝款
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80%
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Unverified3-6岁儿童选编织材料应选纱线粗度≥4号（每平方厘米针数≤3.5针）的粗毛线，配合直径≥8mm的钝头塑料针，细线易缠绕且精细动作发育不足难以完成81% similarUnverified钢丝绳限位器的钢丝直径应≥3mm，细钢丝在儿童全身重量悬挂拉扯下有切割窗框或断裂风险80% similarUnverified提绳承重：棉质/涤纶织带提绳承重远高于纸绳，装3kg以上礼品应选织带或PP绳打结加固，纸绳提手仅适合2kg以内80% similarUnverified钢丝绳限位锁的承拉强度应≥100kg，纯ABS塑料卡扣式限位器承拉普遍不足30kg，无法抵抗儿童攀爬或体重冲击，高层住宅必须选择304不锈钢钢丝绳款80% similarUnverified标准家用尼龙防倾倒带常见承重标称25-50kg，宽织带（25-38mm）配双螺丝固定点，钢丝款标称可达100kg以上，宜家等品牌宜家防倒带套装通常含2条带+木螺丝+膨胀塞79% similar
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