coal mining underground

According to fieldwork and analytical investigation, the author thought that the main reasons were the coal mining underground and offtake deep groundwater.

根据实地调查资料和分析研究认为,乌当区朱昌镇乃村发生房屋开裂、地裂缝及地面塌陷等地质灾害,主要原因是地下采煤活动及抽取深层地下水引发,乃人为过度开发活动引起的地质灾害,危及村民的生命财产安全。

Study on Environmental Sanitary Quality of Underground Public Place and its Effects on Employees' Health in Yangzhou;

扬州市地下公共场所环境卫生质量及其对从业人员健康影响

Design and Construction of Underground Vertical Oiltanks;

地下立式油罐的设计和施工

Research on Development of City Underground Transportation Space——Trial on how to solve the traffic problem in downtown area by using underground vehicle channels;

地下机动车联系通道解决市区交通问题的尝试

The analysis and evalution of groundwater quality of Xinji city;

辛集市地下水环境质量评价与分析

Method of determining factor weights for groundwater vulnerability assessment;

DRASTIC地下水防污性能评价因子赋权

Distribution of abnormal groundwater arsenic in Hetao Plain,Inner Mongolia;

内蒙古河套平原地下水砷异常分布规律研究

In order to ensure the location of the survival rapidly, the wireless sensor network is applied to localization in underground tunnel environment, when the accidents happened to cause the workers stranded underground.

各种地下作业都要求工人在地下坑道内进行施工,其工作环境比较恶劣。