名词
中文翻译：螺旋式煤炭卸载机
同义词：
['spiral coal unloader', 'spiral coal unloading machine']
例句：
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1. The new coal mine has a spiral coal unloader that can unload coal in less than an hour.
新煤矿有一个螺旋式煤炭卸载机，可以在不到一小时的时间内卸载煤炭。
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2. The spiral coal unloader is designed to reduce the risk of accidents during coal transportation.
螺旋式煤炭卸载机的设计旨在减少煤炭运输过程中发生事故的风险。
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3. The spiral coal unloader is a crucial piece of equipment for the coal mining industry.
螺旋式煤炭卸载机是煤炭开采行业的关键设备。