因此，在本安电路中设计这些元件比设计空芯电感更有实际意义。
To design these elements in intrinsically-saf circuit is more practical than to design air-core inductance coils.
系列位免螺丝弹簧式印刷电路板型端子台，本产品方便的接线方式极适合在通信系统照明系统安防系统与建筑物的布线使用。
Tlm screwless terminal block the tlm series suits in the communications system, the lighting system, guards against the system and the building wiring use peacefully.
系列位免螺丝弹簧式印刷电路板型端子台，本产品方便的接线方式极适合在通信系统照明系统安防系统与建筑物的布线使用。
Tlm screwless terminal block the tlm series suits in the communications system, the lighting system, guards against the system and the building wiring use peacefully.
应用推荐