[电] grid-controlled mercury-arc rectifier, grid-controlled mercury-arc recyifier

shān kòng gǒng hú zhěng liú qì ㄕㄢ ㄎㄨㄥˋ ㄍㄨㄥˇ ㄏㄨˊ ㄓㄥˇ ㄌㄧㄡˊ ㄑㄧˋ