名词
中文翻译：自推进枪
同义词：
['self-propelled weapon', 'self-propelled missile']
例句：
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1. Theself-propelled gun is an effective tool for defense.
自推进枪是防御的有效工具。
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2. The self-propelled gun was developed to improve the efficiency of military operations.
自推进枪的开发是为了提高军事操作的效率。
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3. The self-propelled gun has become a popular choice for many soldiers in modern warfare.
自推进枪已成为现代战争中许多士兵的热门选择。