| 摘要 |
<p>The toilet-flushing tank comprises a housing with water-supply union and a bottom outlet closed by a plug. The latter is mounted on a support extending upwards. The latter supports a suction cup, which is pressed against an overhead surface as it moves upwards. The cup interior is connected to the end of a pipe, whose mouth at its other end is at a level between the cup and the plug. The mouth of the pipe (27) is adjustable for height. This end of the pipe can be on a support (24) adjustable for height by a screwed spindle (12).</p> |
