Music. A rail running beneath the keys of a keyboard, fitted with pins which pass through the keys to maintain and control their downward movement.
| 单词 | θ103734 |
| 释义 | the world > space > relative position > horizontal position or condition > [noun] > a horizontal object or part > rail > for pegs or pins (1) pin-rail1855 Music. A rail running beneath the keys of a keyboard, fitted with pins which pass through the keys to maintain and control their downward movement. |
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