ground hydrant

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