名词
中文翻译：Unknown
同义词：
['exploratory tunnel', 'exploration trench', 'survey trench']
例句：
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1. The engineers used the exploratory trench to map out the underground cave network.
工程师们使用探索性隧道来绘制地下洞穴网络。
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2. During the construction of the new highway, a series of exploratory trench were dug.
在新高速公路建设期间，一系列探索性隧道被挖掘。
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3. The team of geologists conducted an exploratory trench to investigate the mineral deposits inthe area.
地质学家团队进行了一次探索性隧道，以调查该地区的矿藏。