Use to annotate electrical diagrams. Includes qualifying symbols. Contains power transmission paths, electronic circuits, bus connectors and elbows, terminals, junctions, and concentrators.
英
美
- 用来为电气图添加批注。包括限定符号。包含电力传输路径、电子电路、总线连接器和弯线、端接设备、连接和集中器。