名词
中文翻译：Unknown
同义词：
['smoke machine', 'smoke projection device', 'smoke projector']
例句：
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1. Thesmokeprojector is used to create a smoke screen in the battlefield.
烟雾机用于战场上制造烟幕。
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2. The smokeprojector was used to hide the enemy's position.
烟雾机被用来隐藏敌人的阵地。
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3.The smokeprojector was used to distract the enemy during the attack.
烟雾机在进攻时被用来分散敌人的注意力。