喇叭形出口 的英文怎麼說
中文拼音 [lābāxíngchūkǒu]
喇叭形出口
英文
outlet bellmouth-
A valved brass wind instrument that produces a mellow tone from a long, narrow tube that is coiled in a circle before ending in a flaring bell
一種有活瓣的銅管樂器，從漩渦形且端部有喇叭口的又長又細的管子里發出圓潤的樂音。A brass instrument consisting of a long cylindrical tube bent upon itself twice, ending in a bell - shaped mouth, and having a movable u - shaped slide for producing different pitches
一種銅管樂器，由彎曲兩次的長圓筒形金屬管構成，尾部有喇叭形口，有一個可滑動的u形拉管，可發出不同音高的音。
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