短語詞組短語pulse e transformer 脈沖變壓器pulse isolation transformer 脈沖隔離變壓器-pulse rectifier transformer 脈波整流變壓器24 -pulse rectifier transformer 脈波整流變壓器Pulse Transformer Unit D1 脈沖變壓器單元Dhermetically sealed pulse transformer 密封脈沖變壓器saturable pulse transformer 可飽和脈沖變壓器Pulse Transformer Unit D2 脈沖變壓器單元Dstep up pulse transformer 陞壓脈沖變壓器 返回 pulse transformer