surface friction windup device

例句：

1. 1. The surface friction windupdevice is used to measure the friction betweentwo surfaces.
   表面摩擦装置用于测量两个表面之间的摩擦力。
2. 2. The windup device was designedto generate a constant flow of air.
   这个风车装置被设计用来产生持续的空气流动。
3. 3. The surface friction windup device canbe used to test the durability of materials.
   表面摩擦装置可以用来测试材料的耐用性。