- Wing Frequency for Gliders
- Android 應用程式: 工具 由: Control-J
- $2.99
- 清單: 0 + 0 排名: 0 評測: 0
- 點數: 0 + 0 版本: 3.0.2 Checking the wing frequency on a glider always seems to be fiddly - you need to be able to count beats and seconds at the same time, and depending on who you listen to you should count ⥯
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