shell fragments velocity 破片群速度
The shell fragments on impact.
贝壳受撞击会破碎。
In parts of Northern France, farmers still plough up shell fragments and weapons.
在法国北部某些地方，农民犁地时还常常翻出弹片和武器。
A drama which would result in the deaths of six people and the raining of shell fragments on homes, streets, and buildings for miles around.
这一戏剧性事件的结果是6人送命，炮弹的碎片雨点般散落在方圆数英里的民居、街道和建筑物上。
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