friction loss的用法和樣例：
例句
- Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
管道的等量長度中的摩擦損失即構成彎管中的壓力損失。 - Longer distances may, however, require recompression to compensate for friction losses during pipeline transfer.
不過，運輸距離較長時，有可能需要再次加壓，以補償管線輸送過程中的摩擦損失。
