Unverified83% confidenceDecision RuleTime unknown
验证尺寸合适的标准：佩戴后犬只能完全张口喘气、吻部前端与口罩前壁留有约1-2cm空间，且能容纳一根手指从颈带下穿过（不勒不脱）
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83%
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Unverified犬用嘴套选购须实测吻围（嘴巴闭合时最粗处周长）和吻长（鼻尖到眼线距离），嘴套内径应比吻围大2-3cm留出喘气空间，短吻犬（如法斗、巴哥）必须选专用短吻款而非普通篮式82% similarUnverified头套内径应等于颈围，长度需超过鼻尖2-3cm才能有效阻挡舔咬；短毛犬按实测颈围，长毛犬需在实测基础上放宽2-3cm避免毛发被挤压82% similarUnverified宠物口罩需按吻部周长选码：小型犬/猫吻围＜15cm选S码，中型犬15-22cm选M码，大型犬22-30cm选L码，长吻犬种（如牧羊犬、灵缇）需选专门的长吻型而非通用款82% similarUnverified大型犬（头围＞35cm）应选绑带式且下颚绑带可调范围≥8cm，纯夹式或纯粘贴在甩头时几乎必掉81% similarUnverified尺寸按体型选：小型犬(≤10kg)选30-40cm，中大型犬选50cm以上且带扣环可拼接款，垫子过小狗会直接拱翻，藏食全部散落失去嗅闻意义80% similar
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