3) undersea life
海面下的生命
4) An Analysis of the Female Image in Helle s Novels
海勒笔下的女性
5) under sea
海下
1.
Application of flooding forecasting system to coal mining under sea;
水情监测预警系统在海下采煤中的应用
2.
The keystone and countermeasures of water burst prevention in mining under sea were put forward after the research of safety technology of water prevention in mining under sea field in Beizhao Colliery of Longkou Mining Group.
通过对龙口矿业集团北皂煤矿海域下采煤中防治水安全技术的研究,提出了在海下采煤中防治水工作的重点及对策,对可能造成海水溃入矿井的因素进行了分析,提出了对可能造成海水溃入矿井的三种充水通道的治理对策,对在海下采掘过程中超前探测的超前距进行了分析。
3.
Favorable and unfavorable factors of mining under sea are analyzed in this paper after introducing the cause of selecting full-mechanized caving mining.
介绍了龙口海域下开采的有利与不利因素,分析了海域下选择综放开采的原因;根据海域开采导水裂缝带的实测结果和断层条件下覆岩破坏规律的数值模拟计算,提出了综合考虑正常与断层条件的防水安全煤岩柱厚度;并介绍了海下开采安全技术措施。
补充资料：海面
海水的表面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条