[经] safeguard procedures for storing and issuing materials

chǔ cún hé fā chū cái liào de fáng hù cuò shī ㄔㄨˇ ㄘㄨㄣˊ ㄏㄜˊ ㄈㄚ ㄔㄨ ㄘㄞˊ ㄌㄧㄠˋ ㄉㄜ˙ ㄈㄤˊ ㄏㄨˋ ㄘㄨㄛˋ ㄕ