... fixed arch 无铰拱 fixed armature 固定电枢 fixed ash 固有灰分 ...
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fixed ammonia armature 固定电枢
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The experimental results showed that muzzle velocity of the projectile was almost linear with the charging voltage of the capacitor bank when the initial position of the armature was fixed.
实验结果表明：在电枢初始位置不变的情况下，弹丸初速度与电容器组的充电电压几乎成线性关系；
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