澳大利亚采购需求：篮球投篮机、网球投篮机、网球训练机、羽毛球投篮机、足球投篮机、排球训练机
原文：Basketball Shooting Machine, Tennis Ball Shooter, Tennis Training Machine, Shuttlecock Machine, Soccer Ball Launcher, Volleyball Training Machine
参考产品图片：
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Linkedin
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澳大利亚
- 2026-05-21
- jrich****@****quity.com
- 614****0530
采购商询盘内容
Hi, I have a red ball machine with a power switch that has two settings: I and II. What's the difference between these two settings? I couldn't find a manual online. Thanks!
您好，我有一台红色的发球机，电源开关有两个档位：I 和 II。请问这两个档位有什么区别？我在网上找不到使用手册。谢谢！
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