| 摘要 |
<p>The receptacle to be filled (1) has two pipes (5,6) connected to a pump(3). One pipe (5), at the receptacle base, is joined to the pump inlet and the other (6) goes from the base and is vertical, rigid and transparent. At its top it has a dummy source (8) without apparent entry. The liquid drawn in (a) is fed (b) to the vertical pipe (6) to come out in the end of the dummy source (8). It then flows freely (c) outside of the vertical tube and into the receptacle. The dummy source is a tap (8), in the nozzle (7) of which is inserted the transparent tube.</p> |
