名词
中文翻译：主炮
同义词：
['main weapon', 'primary weapon']
例句：
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1.The main artillery was positioned on the hilltop to cover the entire battlefield.
主炮被安置在山顶上，以覆盖整个战场。
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2.The main artillery units were ordered to prepare for an imminent attack.
主要炮兵单位被命令为即将到来的攻击做好准备。
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3.The main artillery was used to suppress the enemy's advance.
主要火炮被用来压制敌人的前进。