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- floor rock drivage 煤层底板巷
- Therefore,increasing the rock drivage speed has the most inportant meaning to accelerate the shaft building. 因此,提高岩巷掘进速度,对加速煤矿建设有非常重要的意义。
- But in the mass,rock drivage in our country is slow and inefficient,which affects the properly conjoining of coal production. 但我国岩巷掘进整体上表现为速度慢、工效低,影响了煤炭生产的合理接续。
- Introduces when fully-mechanized mining face crossing faultage in Tunlan coal mine,adopts a kind of new technique of preacting to dig rock drivage along the faultage and abtains the better results. 介绍了屯兰矿在综采工作面过断层时,采用一种沿断层提前掘岩巷的新工艺,取得了良好的效果。
- Keywords rock drivage;excavation efficiency;holing; 岩巷掘进;掘进工效;打眼;
- Test Study on Penetrability of Floor Rock in Stope 采场底板岩石渗透性试验研究
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Keywords smooth blasting;rock drivage;labor efficiency; 光面爆破;岩巷掘进;劳动效率;
- The book hit the floor with a thud. 这书砰的一声落在地板上。
- He canted over from his chair onto the floor. 他从椅子上跌倒在地板上。
- He fell on the floor with an awful whomp. 他摔在地板上发出一声可怕的撞击声。
- He wiped up the spilt milk on the wooden floor. 他揩掉了泼在地板上的牛奶。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Their clothes lay in a huddle on the floor. 他们的衣服杂乱地堆在地板上。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- We put the books in piles on the floor. 我们把书在地板上堆起来。
- 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。
- He loses his footing on the wet floor and fall. 他在潮湿的地板上失去平衡而摔倒了。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
