[经] completed job method of accounting for longterm contracts
cháng qī hé tóng wán gōng kuài jì fǎ ㄔㄤˊ ㄑㄧ ㄏㄜˊ ㄊㄨㄥˊ ㄨㄢˊ ㄍㄨㄥ ㄎㄨㄞˋ ㄐㄧˋ ㄈㄚˇ