double-purpose interchangeable tip square blade screwdriver可换头方杆两用改锥 double-range instrument双量程仪表 double-range recording flowmeter双量程记录式流量表 ..
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A slender woodwind instrument with a conical bore and a double reed mouthpiece, having a range of three octaves and a penetrating, poignant sound.
带有一个圆锥形孔和双簧管吹口的细小的木管乐器，具有三个八度音域和穿透力强而尖利的声音。
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