pipe friction

例句：

1. 1. The pipe friction caused the valve to stick.
   管道摩擦导致阀门卡住。
2. 2.The pipe friction was a significant factor in the failure of the pipeline system.
   管道摩擦是输油管道系统故障的一个主要因素。
3. 3. To prevent pipe friction, it is important to regularly inspect and maintain the equipment.
   为了预防管道摩擦，定期检查和维护设备是很重要的。