...sources) 扬声与音响设备(speakers&relays) 开关与继电器(switchers&relays) 键盘(keypads)普通继电器(generic relays)专用继电器(cpecific relays) 按键与拨码开关(switchs) 开关器件(switching devices) 双端交流开关元件(DIACs)普通开关元...
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SIL2输出量—SIL 725安全传感器具有普通的安全继电器输出量,SIL2也符合。
SIL2 outputs - The SIL725 Annunciator has common safety related relay outputs which are SIL2 compliant.
本发明涉及一种用交流电的电子音乐门铃,由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
对普通压力继电器的可靠性进行了详细分析,提出了保证压力继电器工作可靠的两种措施。
Based on the detailed reliability analysis for common pressure relay, two methods were proposed to reliably keep pressure relay work.
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