Unverified70% confidenceFactTime unknown

护栏网通常按米计价并提供2-3米标准长度，需先测量楼梯栏杆总长度并预留10%缠绕/固定余量；转角楼梯需分段安装避免网面绷直翘起

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70%

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Unverified测量覆盖长度时需按楼梯扶手实际斜边长度计算并预留10-15%冗余，斜坡段直线测量会导致长度不足；常见成品规格为2m/3m/5m宽度可裁剪79% similar Unverified市售主流楼梯防护网单卷长度多为3m/5m，高度75-80cm，可覆盖标准家用楼梯护栏；配套束线带数量通常为20-40根79% similar Unverified长度规格按楼层高度选：每层约3米，选购时应比实际下降高度多出3~5米余量用于绑扎固定点；6层住宅建议至少20米绳78% similar

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