坏设计制造及其自动化 machine design & manufacture & its automation
机械设计制造及其自动化 machine design & manufacturing and their automation; machine design &manufacturing and their automation; machinery design and manufacture and its automation
机械制造及其自动化 mechanical manufacture and automation; mechanical manufacturing and automation
农业机械化及其自动化 agricultural mechanization and its automation
电力系统自动化与通信系统实践 practical electrical network automation and communication systems
电力系统 (i) power systems i; (ii) power systems ii; electric power system; electric power transmission; electric system; electrical system; electricsystem; grid system; power supply system; power-supply system; the electrical power system
电力系统图 electric power system diagram; power system diagram