| 摘要 |
The present invention relates to a tube coupling system (1) comprising a coupling body (3) for receiving a tube (5), a leakage sealing means (7) between the outer surface of the tube (5) and the inner surface of the coupling body (3), a gripping means (9) for gripping the outer surface of the tube (5) received in the coupling body (3), and a tube support body (19) onto which the tube (5) fits, characterised in that said tube support body (19) comprises a feedback element (20) that provides an audible feedback signal when the tube (5) is sufficiently inserted onto the tube support body (19).
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