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- deep mine shaft construction 深井施工
- The mine shaft sinking with a mine shaft drilling is a reliable mine shaft construction method to pass through a deep and thick alluvium. 钻井法凿井是通过深厚冲积层最可靠的竖井施工方法。
- inclined mine shaft construction 斜井施工
- The original emphasizesd on construction in mine shaft deep thick swelling claypan in Tang-kou, the damage of outward layer a well of wall and some efficient measures. 介绍了唐口副井井筒冻结段深厚膨胀黏土层施工、外层井壁变形破坏情况及采取的有效措施;取得了一些有用的经验.;为类似地层施工提供借鉴。
- deep mine shaft 立井井筒
- A bucket used for conveying ore or coal up a mine shaft. 桶框把生铁或煤运上矿井的框
- By the construction practice of pre-reserved beam sump in the shaft construction of Guqiao Coal Mine,goes further into the technical factors and pre-reserved result ect. 通过顾桥矿井筒施工过程中预留梁窝的施工实践,探讨了井筒掘砌中预留梁窝施工的技术因素、预留效果等。
- The rigging for hauling or lifting located at the head of a mine shaft. 在矿井顶部杆上用于提升某物的索具
- Teenage boys clamber down mine shafts 30 to 50 meters deep. 孩子们沿着杆子爬到深30到50米的矿井里。
- They got through into the flooded mine shaft,and rescued the comrades. 他们努力进入水淹的矿井，救出了同志们。
- They got through into the flooded mine shaft, and rescued the comrades. 他们努力进入水淹的矿井，救出了同志们。
- Deep mining first blighted the West Virginia landscape. 深挖矿井首先使弗吉尼亚州的风景遭到破坏。
- The extraction of coal from these deep mines is expensive. 从这些深矿中取得煤是很昂贵的。
- In 2005, we completed independently shaft construction of Huangshi shield tunnel project and successfully filled in a gap in the fields of shaft construction of CNPC . 2005年公司在仪长原油管道黄石长江盾构工程中成功完成了竖井施工，填补了中石油竖井施工领域的空白。）
- The invention discloses an automatic tank-rejection device for shaft construction, consisting of an orbit, a tank wagon, a hoist bucket and a head sheave. 本发明公开一种立井施工自动甩罐装置。
- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- As often before, birds are acting like the canaries in a mine shaft and giving us early warning of dangerous change. 和以往一样，鸟类的反应正如‘煤矿里的金丝雀’，提前给我们鸣响警钟。”
- Mine shaft raised is the keg of mine production ,move at high speed and word throughout the year. 矿井提升是矿山生产的咽喉,高速运行,常年工作。
- Underground test showed that this system can control large do formation of deep mine to keep stability of its surrounding cock. 井下试验表明，高预应力、强力锚杆支护系统能有效控制深部巷道强烈变形，保持围岩稳定。
- For hoist and lifting winch for mine shaft, its joint of lifting container and steel wire should adopt wedge type cappel. 煤矿竖井用提升机和提升绞车，其提升容器与提升钢丝绳的连接，应采用楔形连接装置；
