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- underground limestone water 井下灰岩水
- The coefficient of water-invasion is usually used as judgment criterion when the coal seam suffered from Ordovician limestone water invasion. 开采受奥灰水威胁的煤层时,通常都把突水系数作为安全评价的依据,此方法存在一定局限性。
- Results indicated that this method is of feasibility for evaluating dangerousness of Ordovician limestone water invasion. 结果表明,该方法评价奥灰突水危险性直观、清晰、简洁,值得推广。
- It was taken the example for the Danhou Mine in this article,and the safety control and utilization of Ordovician Limestone Water in mine was discussed. 本文以单侯矿井为例,论述矿井奥灰水的安全防治与利用。
- Since hydrology-geological conditions are quite complex in the Danhou Mine,and Ordovician Limestone Water poses the serious threat to the mine safety in production process. 单侯矿井水文地质条件比较复杂,奥灰水对矿井安全生产构成严重威胁。
- Ordovician limestone water invasion 奥灰突水
- Ordovieian limestone water irruption 奥灰溃水
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- Caves form when water infiltrates limestone. 水渗透石灰石则形成洞穴。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- We may burn limestone to obtain lime. 我们可以通过烧石灰石来得到石灰。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- The missile is delivered from underground. 这种导弹由地下发射。
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- Moles stay underground most of the time. 钱鼠大部分时间住在地下。
- Putting water in brandy is sacrilege. 在白兰地中掺水是可恶的事。
- He went underground to avoid capture. 他转入秘密工作以免被捕。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。