| 摘要 |
<p>A height-adjustable assembly for a drain, comprises a lower portion for use with a waste outlet of the drain, an upper portion to receive an attachment for mounting at floor 5 level to cover the assembly, and an adjustment portion disposed between the upper and lower portions and including first and second adjustment elements disposed respectively on inner and outer faces of the adjustment portion to simultaneously vary the position of the upper and adjustment portions relative to the lower portion as the adjustment portion is rotated.</p> |
