便宜的真的就便宜了吗?
两款差价1元的电机比较:一,便宜的采用铝合金外壳,贵的是锌合金;
二,便宜的齿轮是回收合金,贵的是进口全新合金;
三,便宜的螺杆轴铜套是半截,贵的是全套耐磨铜;
四,便宜的二级尼龙是挤压品,贵的是注塑尼龙;
五,便宜的力度22公斤,贵的是26公斤;
综合以上,贵的电机的成本比便宜的高上2块,便宜的电机挣的钱更多,便宜的也就不便宜了;
路过看看有什么学习的 https://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.png 不懂,学习学习。https://app.suoyiren.com/public/emotion/face_071.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.png https://app.suoyiren.com/public/emotion/face_075.png 学习一下https://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.pnghttps://app.suoyiren.com/public/emotion/face_068.png 看不出来什么材质https://app.suoyiren.com/public/emotion/face_wulian.png
页:
[1]