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- But because of hard to fix test ring in bedrock, so report of domestic deep worked-out area overlying rock subsidence observation by layers have not yet been heard so far. 研究采空区剩余沉降对上覆建(构)筑物造成的危害程度,分层沉降观测是比较直观的方法,但由于基岩内测试环固定困难,在大深度采空区上覆岩层中进行分层沉降观测国内未见报道。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- While the source rocks subside .again, the geotemperature increases, and when it reachs a certain point, th... 即是说,单从生烃量的角度看,如果不考虑其它因素.二次生烃并不影响对生油岩的质量评价。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
- The boat was sundered by the rock. 船被岩石撞碎了。
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
- Keywords Ground environment Extraction ratio The interval and toal wider strip mining technology with stowing caving zone Overlying rock subsidence; 关键词地面环境;回采率;注充宽条带跳采全采;覆岩移动;
- She is crazy about rock and roll. 她喜欢摇滚乐。
- The road was blocked by a huge rock. 道路被一块大石头堵住了。
- Most of the rock in this mountain is shale. 这座山上大部分的岩石都是页岩。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- Keywords Ground Environment;Extraction Ratio;the Interval and Total Wider Strip Mining Technology with Stowing Caving Zone;Overlying Rock Subsidence; 地面环境;采出率;注充宽条带跳采全采;覆岩移动;