A.1GK B.2GK C.3GK D.4GK
A.1FJ B.2FJ C.3FJ D.4FJ
A.穩(wěn)壓速度快 B.無觸點(diǎn)及機(jī)械動(dòng)作 C.防雷能力強(qiáng) D.抗電源干擾能力強(qiáng)