介绍宇通客车电涡流缓速器手控开关、速度控制开关、气压控制开关、继电器盒等故障的检测方法。
The authors introduce the troubles inspection methods of the manual control switch, speed control switch, gas-pressure control switch and relay box of electromagnetic retarders used in Yutong coaches.
如果使用继电器电路，我们可以通过串联接三个继电器来创造一个大气压。
If using relay circuitry, we could create this AND function by wiring three relay contacts in series.
柜内的电路中还装有气体压力调节继电器，以便在柜体漏气造成其内气压过低时及时切断电路。
An air pressure regulating relay is arranged in a circuit in the cabinet to cut the circuit in time when air leak happens in the cabinet body to make the air pressure in the cabinet too low.
该机采用气压传动，继电器控制，操作简单。
The machine is drove by compressed air plant and controlled by relay. so it is easy to operate.
该机采用气压传动，继电器控制，操作简单。
The machine is drove by compressed air plant and controlled by relay. so it is easy to operate.
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