A.50mm B.60mm C.30mm D.70mm
A.失壓及過電流 B.穩(wěn)壓及過電壓 C.失壓及過電壓 D.穩(wěn)壓及過電流
A.100mm;1.5m B.150mm;1m C.100mm;1m D.150mm;1.5m