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| 炮弹钢 (【技】适于制造炮弹弹体的钢。对炮弹钢的基本要求是：高强度、高硬度，爆炸时破片率高且要求具有一定的破片重量以便加大杀伤力。炮弹是战争消耗品，常以十万、百万吨计，故要求使用经济钢材。常使用的炮弹钢有中碳钢、中碳锰钢、中碳硅锰钢和中碳锰钼钢。) | |||
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shell steel : 38 phrases in 8 subjects |
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