Nema 17สเต็ปเปอร์มอเตอร์34มม. 22Ncm(31ออนซ์ .in) 1.33A มอเตอร์สเต็ป Nema17 4ตะกั่ว2.8โวลต์สำหรับเครื่องพิมพ์3D CNC แบบทำมือ

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