[机] built-on pump, built-together pump

lián fā dòng jī de bèng sōng mì dù ㄌㄧㄢˊ ㄈㄚ ㄉㄨㄥˋ ㄐㄧ ㄉㄜ˙ ㄅㄥˋ ㄙㄨㄥ ㄇㄧˋ ㄉㄨˋ