Explosive shells tore into the walls of the stronghold.

炮弹炸穿了据点的墙壁。

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New guns firing high explosive shells were incorporated into the battlefield.

发射高爆弹的新型大炮在战场上得到了使用。

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At that point they'll reduce the need for rooms full of powder charges and the associated dangers that come along with explosive shells, but will instead need to make way for what looks to be a warehouse full of capacitors.

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