department LAN部门局域网departmentn.部门；系；科；处；局n.知识范围department of medical engineering医学工程学系department of prosthetic dentitry口腔矫形科department responsible for traffic交通主管部门department value- chain analysis部门价值链分析department of mass-communication大众传播学系department of precision instrument精密仪器系department of construction manager项目经理部Department of respiratory medicine呼吸内科Department of Health and Hospitalsdepartment of fractures and wounds伤科