[电] horizontal deflection oscillator
shuǐ píng piān zhuǎn zhèn dàng qì ㄕㄨㄟˇ ㄆㄧㄥˊ ㄆㄧㄢ ㄓㄨㄢˇ ㄓㄣˋ ㄉㄤˋ ㄑㄧˋ