underground metal detector
地下金属探测器(Underground metal detector)是探测金属磁场的原理，它具有探测度广、定位准确、分辨力强、操作简易等特点，用来探测和识别隐埋..
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underground metal detector
地下金属探测器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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He told Australian media the prospector had been using a state-of-the-art metal detector, which meant he was able to find the gold relatively deep underground in an area which had been searched many times in the past.
BBC: The gold nugget found in Ballarat
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Using a metal detector, the unit discovered five plastic barrels buried in the garden 6 inches underground.
CNN: U.S.?troops find Baghdad arms caches