Aim a kind of new structure of booster pellet is studied, which can be sure to initiate large main charge explosive under the condition of less explosive quantity.

目的研究一种新型传爆药结构，该结构的传爆药能在较少药量情况下保证主装药的可靠引爆。

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Officials said the main charge was a high-grade military explosive which would have been able to bring down an aircraft, and that it could have been detonated in two ways, in case one failed.

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