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常见抹刀刀身规格：小号约6英寸/15cm、中号8英寸/20cm、大号10英寸/25cm，尺寸通常指刀刃部分长度不含刀柄

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Unverified刀身厚度3.5-5mm、刀刃长度10-15cm是通用求生刀甜点区间；超过18cm偏向砍刀（Machete）不便精细活，短于9cm则劈砍无力，无法batoning（棒击劈柴）84% similar Unverified常见无菌纱布规格为5cm×5cm、7.5cm×7.5cm、10cm×10cm三种，5cm适合手指等小伤口，7.5cm为通用常用尺寸，10cm用于较大创面，尺寸应大于伤口边缘各2cm以上84% similar Unverified常见护刃套按刀型分档：水果刀套适配刃长8-13cm、宽度≤3cm；主厨刀套适配刃长18-22cm；分刀/切片刀套适配宽刃4-6cm，跨档混用会导致固定不稳83% similar Unverified常见弹力绷带规格为宽5cm/7.5cm/10cm/15cm，展开长度4.5m左右（拉伸后），家庭常备可选7.5cm宽度作为通用型81% similar Unverified杆体直径与承重正相关但也决定圈环大小：直径16mm以下为轻型（配小圈/穿孔纱帘），19-25mm为主流承重款；直径＜13mm的细杆不要挂罗马圈布帘，长期受力会中间下垂弯曲81% similar

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