| 摘要 |
<p>A pipe assembly comprises: a first pipe wherein an opening is formed on an end of a side and the inside is hollow; a second pipe which is coupled to an end of a side of the first pipe and is hollow; and a flow occurrence unit having a coupling unit which is coupled to the opening of the first pipe and arranged between the second pipe and the first pipe and a wing unit which is connected to the coupling unit and generates flow in a fluid passing through the first pipe by being extended to the inside of the first pipe.</p> |
