[电] pulsed-oscillator starting time
mài chōng zhèn dàng qì qǐ shǐ shí jiān ㄇㄞˋ ㄔㄨㄥ ㄓㄣˋ ㄉㄤˋ ㄑㄧˋ ㄑㄧˇ ㄕˇ ㄕˊ ㄐㄧㄢ