| 1. | Hydraulic operating rock slusher loader 液压操纵耙斗装岩机 |
| 2. | Fault diagnosis on the spot of zdy1900s all - hydraulic operated drilling machine 型全液压钻机现场故障诊断 |
| 3. | Hydraulic operated cargo valve 液力操作液货阀 |
| 4. | All hydraulic operated drill 全液压钻机 |
| 5. | 1 yg - 30 drilling rig is a full hydraulic operated top drive power head drill 1 yg - 30型工程钻机为全液压驱动动力头式钻机。 |
| 6. | Hydraulic operated valve 液力操纵阀 |
| 7. | Yg - 60 construction drilling rig is a full hydraulic operated top drive power head drill Yg - 60型工程钻机为全液压驱动动力头式钻机。 |
| 8. | Yg - 100 construction drilling rig is a full hydraulic operated top drive power head drill Yg - 100型工程钻机为全液压驱动动力头式钻机。 |
| 9. | Investigation on property of hydraulic operating mechanism for sf6 generator protection circuit breaker 6发电机保护断路器液压机构特性研究 |
| 10. | Yg - 50 construction drilling rig is a full hydraulic operated top drive power head drill machine Yg - 50型工程钻机为全液压驱动动力头式钻机。 |