Tuesday 18 December 2018
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chinanews - 30 days ago

中国首次在富水砂卵石地层成功下穿地铁实现“零沉降”

  我国首次在富水砂卵石地层成功下穿地铁既有线并实现“零沉降”

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中国首次在富水砂卵石地层成功下穿地铁实现“零沉降”

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