齿轮箱具有传动比固定、传动转矩大、结构紧凑等 优点,是机械系统的重要部件。 -Gear Fault Diagnosis based on Evidence Theory Xiong Wei　Cheng Jiatang　Xu Shaokun (Engineering College, Honghe University, Mengzi 661100,China) Abstract　For the reason of low-reliability exists in the g