mine exploitation造句

In the various of mine exploitation sites, there are many loose debris and earth from strata.

As important engineering machine, hydraulic excavator is widely used in earthwork construction and mine exploitation.

Application of grey system theory in prediction of settlement quantity in coal mine exploitation

With rapid development and construction of the large - and medium-scale of NSP cement production lines, difficulties in the mine exploitation are on the increase.

The event is ore earthquake of rock burst type related to coal mine exploitation and mining activity, the micro-earthquake swarms belong to occasional local stress releasing.

The article analysis mine exploitation sink and resume infection feature to land use types, It utilize fractal dimension to analysis diggings sight pattern's direction of evolvement.

The area of mine exploitation and outer dump or digging are large in steppe, which destroyed many grassland resources and also formed lots of new soil and water losses.