| 摘要 |
<p>The musical instrument has a wave generator (11) mouthpiece and a pipe (3) for standing waves. Between the two is a space (1). This space is cylindrical and of variable length, controlled by threaded sections (17,18), forming a vernier (20). The adjustment is fixed by a locking ring (19). The mouthpiece is fitted on a support (2) with a ferule (6) sliding in the outer tube and extending around upstream of the outer tube (4). The mouthpiece support is fixed to a threaded (18) adjusting ring (16) around the threaded (17) outer tube.</p> |
