If the fault appears to be in the circuit board itself, a simple swap of circuit board and heat-sink can be facilitated by the lossening of 4 small cap screw and wire for wire transferal.是什么意思_If the fault appears to be in the circuit board itself, a simple swap of circuit board and heat-sink can be facilitated by the lossening of 4 small cap screw and wire for wire transferal.在线翻译_英语_读音_用法_例句