[电] direct-acting recording instrum-ent

zhí jiē chuán dòng jì lù yí qì ㄓˊ ㄐㄧㄝ ㄔㄨㄢˊ ㄉㄨㄥˋ ㄐㄧˋ ㄌㄨˋ ㄧˊ ㄑㄧˋ