求翻译：哈尔滨工业大学市政环境工程学院市政工程系系主任，教授，博士生导师，哈尔滨工业大学市政工程学科教学带头人。是什么意思？

Head of Department of Municipal Engineering of Municipal and Environmental Engineering, Harbin Institute of Technology, professor, doctoral tutor, Harbin Institute of Technology municipal engineering disciplines teaching leaders.

Harbin Industrial university environmental engineering college town municipal engineering department head, professor and municipal engineering, Harbin Institute teaching leaders.

Harbin industrial university municipal administration environment engineering college municipal administration engineering department department head, professor, postgraduate candidate teacher, Harbin Industrial university municipal engineering discipline teaching leader.

Harbin municipal environment, Dean of the Faculty of Engineering Department of urban engineering, Professor, doctoral supervisor, Harbin municipal engineering subject teaching leaders.

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