| 释义 |
开关kāiguān
1.电器装置上接通和截断电路的设备。{switch; device for making and breaking the connection in an electric circuit;}通称{popularly known as}电门{diànmén}。
2.设在流体管道上控制流量的装置,如油门开关、气门开关。{valve; device for controlling the passage of fluid through a pipe, such as oil valve and gas valve} |