frictiograph

例句：

1. 1. The engineerused a friction graph to measure the friction between the two surfaces.
   工程师使用摩擦图测量两个表面之间的摩擦力。
2. 2. The doctor conducted a friction test on the patient's joints to diagnose any potential injuries.
   医生对患者的关节进行了摩擦测试，以诊断潜在的伤害。
3. 3. The scientist analyzed the friction curves of different materials to understand their wear resistance.
   科学家分析了不同材料之间的摩擦曲线，以了解它们的耐磨性。