[计] time pulse distributor, time-pulse distributor
shí zhōng mài chōng fēn pèi qì ㄕˊ ㄓㄨㄥ ㄇㄞˋ ㄔㄨㄥ ㄈㄣ ㄆㄟˋ ㄑㄧˋ