Megabass TRUMPET TAPER WOOD KNOB 天然就是贵
The body is made of wood. at one end is a thin brass tube with a reed attachment, and the other end flares like a trumpet.
体身为木管，上端装'细铜管。铜管上端套以苇制哨子，下端承接一个铜制喇叭口。
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