Disclosed is a safety explosionprooftype sodium hydride adder which is an integral structure.
安全防爆型氢化钠添加器,是一个整体结构。
2
Many security enterprise successively started production explosion-prooftype peacefully guards against the product.
许多安防企业先后开始生产防爆型安防产品。
3
Car body external indicator light (led explosion-prooftype), need installed on both sides of each car shall not be less than 6 light (a car has been flow power supply).