| 摘要 |
<p>A vacuum cleaner brushroll (100) according to an embodiment of the invention includes a brushroll body (101) and at least one row of bristle tufts disposed on the brushroll body (101). The at least one row of bristle tufts includes a first tuft (103) of a first effective length from the brushroll body (101) and at least a second tuft (103) of a second effective length that is different from the first effective length.</p> |
