- acoustic diagraph
- 声波: sonic wave; sound wave; acou ...
- 绘图仪: mapper; plotting instrument
- 绘图仪: curve plotter; diagraph; drafting machine; graph plotter; graphic plotter; graphical plotter; plotting apparatus; plotting device; plotting instrument; plotting machine; x y plotter x y; xy plotter; x-y plotter x-y
- 制图仪，绘图仪: drafting machine
- 绘图机, 绘图仪: graphic plotter
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