需要10厘米直径63mm的PVC管或者亚克力管,2个M4X10mm螺丝。漏斗需要用M4丝锥制作螺纹,也可以直接把漏斗粘在支架上使用。
Requires 10cm of PVC pipe or acrylic pipe with a diameter of 63mm and 2 M4X10mm screws. The funnel needs to be made with an M4 tap to make threads, or the funnel can be directly glued to the bracket.
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