gilled

基本解釋

The 3-D inner gilled tube strengthening heat transfer technology can be used to reduce the metal consumption and increase the thermal efficiency.
采用三維內(nèi)肋管強化傳熱技術(shù)，可以達到降低水套爐的金屬耗量和提高熱效率的目的。
The paper analyses the heat transfer of bare pipe and spiral gilled pipe and proposes that the spiral pipes can strenght the heat transfer of economizer.
本文通過對光管、膜片管、螺旋肋片管的傳熱對比分析，提出螺旋肋片管能強化省煤器的傳熱。

Gills are the organs on the sides of fish and other water creatures through which they breathe.
a narrow stream rivulet