| 摘要 |
<p>The invention relates to a cistern (3) with tank (4) and a ball cock (6) inside operated by a flushing rod (7 or 25) which has the means of reducing water consumption, characterised in that a device (8) which allows the ball cock (6) to make its normal upwards movement when the flushing rod is pulled, or alternatively to limit its upwards movement to a distance shorter than would normally be achieved without use of this device.</p> |
