All Artillery Shells have been depleted.
火炮炮弹已经用尽。
For ammunition to break through, artillery shells need to be hardened by adding certain minerals to the steel.
为了让炮弹能够打穿，弹壳的钢里需要加入一定的矿物质来增加硬度。
Hopper and Aiken (also USNR) used the Mark I to help the Navy produce tables for aiming artillery shells and bombs in the closing year of World War II.
在第二次大战结束的那一年，霍珀和艾肯(还有usnr)使用MarkI帮助海军制作用于火炮瞄准的计算表。
There is also an artillery spotting radar and a weather radar (to improve the accuracy of unguided shells).
还有一部火炮侦校雷达和一部气象雷达(改良非制导炮弹准确性)。
There is also an artillery spotting radar and a weather radar (to improve the accuracy of unguided shells).
还有一部火炮侦校雷达和一部气象雷达(改良非制导炮弹准确性)。
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