它与 45H-2 为同一款型，具有半音闸柄和右手操作的五度阀键。
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45QHS
Technical
- 调 : F
- 管径 : .728"/.768"
- 喇叭 : 15"
- 高度 : 37.4"
- 阀键 : 5 回转式阀键
- 尺寸 : 6/4
- 表面处理 : 镀银
- 特点 : 铜锌合金、3B™ 联动系统、第六阀键作为五度阀键（3 1/2步，右手拇指操作）、第二阀键闸柄、手工钣金
Accessories
Gigbags
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