名词
中文翻译：最小允许的头部距离
同义词：
['minor allowable headway', 'maximum allowable headway']
例句：
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1. The company's policy requires a minimum allowable headway of 500 meters between the two buildings.
该公司的政策要求两座建筑物之间至少有500米的最小允许头部距离。
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2. During construction, we need to ensure that the minimum allowable headway is maintained to avoid accidents.
在施工过程中，我们需要确保保持最小允许头部距离，以避免事故。
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3. The manufacturer has set a maximum allowable headway for the product to ensure safety and prevent damage duringtransportation.
制造商为该产品设定了最大允许头部距离，以确保运输过程中的安全和防止损坏。