Compares with drill emission hole, the use of cutting method to against coal and gas outburst prominent have characteristics of security, time and labour-saving, and easy to operate.
与排放钻孔相比，使用掏槽法防突具有省时、省力、容易操作以及安全性好等特点。
The over-loaded problems of initiator have direct influence upon its security and reliability, esp. in the case of emission and dynamic impacts.
火工品动态着靶的过载问题直接影响火工品在发射和动态着靶时的安全性和可靠性。
The over-loaded problems of initiator have direct influence upon its security and reliability, esp. in the case of emission and dynamic impacts.
火工品动态着靶的过载问题直接影响火工品在发射和动态着靶时的安全性和可靠性。
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