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360P
自制测量圆管方管等不规则形状的物品方便裁剪
自制一个万能固定器，原理很简单但是非常实用，可以精准的测量圆管方管等不规则形状的物品，进行精确裁剪，真是干活顺手好工具
自制、改装、妙用身边工具23/43
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