A.500Ω、75W B.1000Ω、65W C.1000Ω、70W D.1000Ω、75W
A.1.2mm B.1.5mm C.2mm D.3mm
A.1±0.2mm B.1.0±0.5mm C.1.2±0.5mm D.1.5±0.5mm