blind drain是什么意思

用法例句

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