上低音号及粗管上低音号的外形极像大号，故此有人称它们为「缩水」大号。
The appearances of the Baritone and Euphonium resemble the tuba so much that they can be looked upon as small size tubas .
这首曲子是为两架钢琴和一支上低音号谱写的。
The piece was scored for two pianos and a baritone .
上低音号上低音号上低音号