名词
中文翻译：坑道工作线
同义词：
['pit working例句：1. The pit working line is crucial for the safety of the workers.（坑道工作线对于工人的安全至关重要。）']
例句：
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1. The pit working line is crucial for the safety of the workers.
坑道工作线对于工人的安全至关重要。
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2.The engineers used the pit working line to guide the construction.
工程师们使用坑道工作线来指导建设。
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3. The pit working line was a critical part of the project's design.
坑道工作线是该项目设计中的关键部分。