[经] documentary bill of exchange with l/c

fù yǒu xìn yòng zhuàng de yā huì huì piào ㄈㄨˋ ㄧㄡˇ ㄒㄧㄣˋ ㄩㄥˋ ㄓㄨㄤˋ ㄉㄜ˙ ㄧㄚ ㄏㄨㄟˋ ㄏㄨㄟˋ ㄆㄧㄠˋ