| 1. | Electrostatic harm and anti - static methods to communication house
通信机房静电的危害和防护 |
| 2. | Shipbuilding . ventilators . lifting bracket and dirt traps
造船工业.通风机.移动孔板和防护网 |
| 3. | Rocks - safety , refuge and protection
岩石安全、庇佑和防护。 |
| 4. | Pin - point blasting and its effect and protection in open - pit coal mines
露天煤矿抛掷爆破及其影响和防护 |
| 5. | Damage and protection progress of materials irradiated by laser beam
激光辐照下的材料破坏和防护研究进展 |
| 6. | To take safety precautions when conducting air - conditioning works and other
在空调工作时注意安全和防护。 |
| 7. | To take safety precautions when conducting air - conditioning work and others
在空调工作时注意安全和防护。 |
| 8. | Methods of measurement of touch current and protective conductor current
接触电流和防护导线电流的测量方法 |
| 9. | The drainage and protective design of the highway slope in swelling soil area
膨胀土地区边坡的排水和防护设计 |
| 10. | Calibrated and guarded hot box
标定和防护热箱法 |
