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来源:雅诚德英语网
The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched.
研制含单基药、双基药的高爆速震源药柱+,并对其制造工艺进行了研究。
The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched.
研制含单基药、双基药的高爆速震源药柱+,并对其制造工艺进行了研究。