三相桥式可控整流电路中,每只晶闸管流过的平均电流值是负载电流的1/3。( )
查看答案
三相桥式半控可控整流电路中,-般都用三只二极管和三只晶闸管。( )
A. 对
B. 错
KC4IC仅与三块KCO04组成三相全控桥双脉冲触发电路,还具有低电平有效中封锁功能。( )
A. 对
B. 错
选词填空embracedefinitelyyieldcomplementmottoprofessionillustrateachievementA higher-rate deposit account ________ better returns.
选词填空embracedefinitelyyieldcomplementmottoprofessionillustrateachievementHis illness has been diagnosed _________as cancer.