Through survey of mine workings is an important work in the production.

巷道贯通测量是矿山生产中的一项重要工作。

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The experience indicates that fault activation may lead to strong deformation and destruction of mine workings.

经验表明，断层活化会对井巷围岩产生较为强烈的变形和破坏作用。

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In this paper, taking the assessment on safety in coal mine workings as an sample, results obtained after applying s...

以煤矿巷道安全程度的评价为例，把这种方法运用到实际的评价过程，所得结论和矿山实际安全情况相符。

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However, the shop closed in April 1998 when the building began to collapse because of old mine workings.

BBC: E.coli butcher's son plans bakery

The work, which will involve drilling and grouting old mine workings and strengthening slopes and the river banks, will take four years, the council said.

BBC: Ironbridge Gorge gets ?12m government grant

Mine rescue teams confirmed that the four miners at Gleision Colliery were trapped by water after they broke into an area of old mine workings.

BBC: Gleision Colliery near Cilybebyll: Brief history