| 摘要 |
The machine has a plug with an external male thread (2) which is elastically curved towards the centre of the plug. There is an inner tube with a cut out and terminating in a female thread (3). The waste liquid is discharged from the container at the top (5) of the plug, to flow towards the interior of the lower part of the plug and all around the central part formed by the hollow threaded rod (3) and discharged towards the threaded outlet (8). There can be an injector (4) forming part of the plug. The threaded inlet for the liquid can be angled with respect to the axis of the plug.
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