| 摘要 |
The invention relates to a tube assembly for connecting a first tube to a second tube, wherein a connection end of the first tube and a connection end of the second tube form a swivel joint, a rotational axis of the swivel joint and a tube axis of the first and the second tube form an angle α, and the first tube is rotatable relative to the second tube in the region of between 0° and 2α.
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