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灭火弹是由弹体、引爆系统、灭火剂三个部分组成,现有74型和75型两种,弹重1～2公斤,现以74型为例叙述如下。
The fire extinguishing bomb is composed of the projectile, the detonation system and the fire extinguishing agent. The existing type 74 and 75 are two types, and have a weight of 1 to 2 kg. Now, the type 74 is described as follows.