The contact and the gas valve are controlled by phototriac and triac.

用光耦和双向晶闸管控制接触器和电磁阀。

Drag onto the page to add a thyristor, bi-directional triode-type, triac-gated switch.

拖到绘图页后，可以添加可控硅、三端双向可控硅开关、三端双向可控硅门开关。

This paper presents a method of converting running and starting capacitor by a triac circuit.

提出一种运用双向晶闸管电路改变单相电容电机启动与运行电容的方法。

Many will simply decide to create a non-dimmable or TRIAC dimmable LED fixture and win on cost.

很多公司选择了直接推出不可调光或TRIAC调光LED照明器具，从而抢占成本先机。

Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.

要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。