| 1. | Safety protection and control of deep well drilling
深孔钻的安全保护与控制技术 |
| 2. | Closed working system , well safety protection
关闭工作系统，良好的安全保护。 |
| 3. | Set rules for campus security check and safety protection
规划校园门禁管理与安全防护。 |
| 4. | Built - in safety protection and safety ground
内含安全保护与接地装置 |
| 5. | East - china safety protection equipment factory
华东安全防护器材厂 |
| 6. | Talking about the safety protection device of mechanical equipment
浅谈机械设备的安全防护装置 |
| 7. | Design and fabrication with fmea and safety protection
采用失效模式分析和安全意识的设计和制造。 |
| 8. | The safety protection function of disc brake on oil drilling rig
石油钻机用盘式刹车的安全保护功能 |
| 9. | Safety protection products for broadcast - tv
广电安防产品网 |
| 10. | Equipped with safety protection switch
装有安全保护开关。 |
