变音管 meaning in English
cupronickel tuning pipe
Examples
- By the end of the 18th century , crooks were used to extend the compass of harmonics
于18世纪末，圆号仍需用变音管来增加其吹奏的音域。 - The rotary valve horn was invented in the early 19th century , and soon solved the problem of frequent changes of crooks in performance
但于19世纪初，由于活塞的发明，解决了在演奏时需要经常转换变音管的问题。