名词
中文翻译：总头线
同义词：
['total line', 'main line']
例句：
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1.The company's total-head line is crucial for its operations.
公司的总头线对于其运营至关重要。
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2. The construction of the new highway will significantly improve the total-head line.
新高速公路的建设将大大改善总头线。
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3.The total-head line is a critical link in the transportation network.
总头线是交通网络中的关键节点。