名词
中文翻译：轮挡
同义词：
['ram', 'ram blocker', 'ram block', 'ram blocker', 'ram blocker', 'ram blocker']
例句：
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1. The car was stuck in the mud because of the heavy rain and a ram block.
由于大雨和一块滚轴，汽车卡在泥里了。
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2.The engineer had to remove the ram block to fix the gears.
工程师不得不移除滚轴来修理齿轮。
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3.The ram block is designed to prevent the wheels from spinning too quickly.
滚轴的设计是为了防止车轮转动过快。