Unverified82% confidenceDecision RuleTime unknown
接缝工艺看针脚密度，每3cm有12-14针为优质（针距约2.2mm），针距过大易开线；肩部和口袋等受力处应有回针加固或套结（bar tack）
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82%
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Unverified绗缝针脚密度建议8-10针/3cm，针脚过密（>12针）会刺穿面料形成钻绒通道，过疏（<6针）则填充物易移位堆积88% similarUnverified机绣民族风外套针脚密度≥8针/cm且背面有回针加固的，比稀疏机绣（<5针/cm）耐洗且不易脱线；手工盘扣数量≥5对通常代表工艺投入更高84% similarUnverified针扣直径应≥0.7mm，过细的针易弯折且难以穿透厚织物；针长与胸针主体重量匹配，重量＞30g的胸针需双针或转轴扣结构防止下垂翻转84% similarUnverified判断折叠体积：细针（12针以上/gauge）针织衫可压缩至拳头大小，粗针（5针以下）体积大占空间，登机箱出行选细针面料82% similarUnverified针脚密度是精致度核心指标：优质刺绣针距≤0.5mm、每字包边完整不露底布；廉价机绣针距＞1mm，笔画交叉处易跳线露白82% similar
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