[经] non-negotiable copy of b/l

fēi liú tōng fù běn tí dān ㄈㄟ ㄌㄧㄡˊ ㄊㄨㄥ ㄈㄨˋ ㄅㄣˇ ㄊㄧˊ ㄉㄢ