和防护 meaning in Chinese

protection

Electrostatic harm and anti - static methods to communication house
通信机房静电的危害和防护
Shipbuilding . ventilators . lifting bracket and dirt traps
造船工业.通风机.移动孔板和防护网
Rocks - safety , refuge and protection
岩石安全、庇佑和防护。
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
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

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