| 摘要 |
The device has two tubular bodies (2,4). The latter tubular body is connected in movable manner with the former tubular body in a longitudinal direction of the former tubular body. A supply line (12) is provided in order to supply the fluid medium (9) which is different from the previous fluid medium (7) to a receiving chamber (6). The line connection (10) proceeds sectionally within the receiving chamber or another receiving chamber (8). |
