| 1. | Normally open solenoid valve
常开式电磁阀 |
| 2. | Normally open contacts
正常开路触点 |
| 3. | Normally open contact
常开接点 |
| 4. | The tube holds the leads in place ( with a small gap between the contacts for normally open switches )
玻璃管将导线固定在位置上（对于常开开关，触点之间有一个小的气隙） 。 |
| 5. | Immigration offices normally open from mondays to saturdays and are closed on sundays and public holidays
入境事务办事处的办公时间一般为星期一至星期六，星期日及公众假期休息。 |
| 6. | In this diagram , a single - pole normally open relay is controlling the connecction of the voltage source to the lamp
在该图中，一个单刀常开继电器控制着电压源和照明灯之间的连接。 |
| 7. | An isolated relay can have more than one pole and can have normally closed contacts as well as normally open contacts
隔离继电器可以有多个铡刀，可以有常闭触点，也可以有常开触点。 |
| 8. | Load contacts 5 - 6 and 7 - 8 will also change from their normally open or normally closed position when the control energizes
当控制装置激活时，负荷端子5 - 6和7 - 8将也改变正常开启或正常关闭状态。 |
| 9. | The contact functions normally open normally closed and the contact types p - switching n - switching are available as optional extras
接点功能常开常闭和接点类型p型开关n型开关都可供选择。 |
| 10. | Support door emergency alarm input to setup as “ normally close ” ( nc ) or “ normally open ” ( no ) connection . default is set as no
支持门的报警点输入有”常开”和”常闭”的设置.默认设置为”常开” |
