| 摘要 |
Various ducts and methods of manufacture, use, and transport are disclosed. The present disclosure at least partially addresses at least one of the above. However, the present disclosure can prove useful to other technical areas. Therefore, the claims should not be construed as necessarily limited to addressing any of the above. An embodiment comprises a method comprising: accessing a duct comprising an outer portion and an inner portion, wherein the outer portion comprises an L-shaped segment comprising a first end portion and a second end portion, wherein the first end portion comprises a first winglet extending therefrom, wherein the second end portion comprises a second winglet extending therefrom, wherein the first winglet and the second winglet contact the inner portion such that a channel is defined between the L-shaped segment and the inner portion; conducting a fluid through the inner portion. |
