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产品型号：K105
材料：聚苯乙烯polystyren 简称PS
画圆模板
内含有直径:1mm,2mm,3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,
11mm,12mm,13mm,14mm,15mm,16mm,17mm,18mm,19mm,20mm,
21mm,22mm,23mm,24mm,25mm,26mm,27mm,28mm,29mm,30mm,
31mm,32mm,33mm,34mm,35mm,共35个圆形
K-105画圆模板建筑模板圆形模版塑料尺学生设计用 镂空洞洞尺批发