Change the oil in the rotary gearbox (transmission).
更换转盘变速箱机油。
2
It contains an oilgearbox which reduces abrasion to the machine during the operation, thus prolonging the life span of the machine, enhancing the utilization ratio of the machine.
含有油齿轮箱，使机器运转减少磨损，延长机器使用寿命，提高了机器的利用率。
3
The problems such as noise, abnormal sound, heat and lubricating oil leakage of front gearbox of DF 8b locomotive are analyzed in detail.