friction waste

• 摩擦损失

friction waste的用法和样例：

例句

1. Longer distances may, however, require recompression to compensate for friction losses during pipeline transfer.
   不过，运输距离较长时，有可能需要再次加压，以补偿管线输送过程中的摩擦损失。
2. Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
   管道的等量长度中的摩擦损失即构成弯管中的压力损失。