### 1石油项目.mp3 **Size** 5628656 B **MD5** 0e6d5cceba04868df34177f48cf367b4 **SHA1** 73f009f5aedea5e0cdc1f005d94dafdeb49a8164 ### 2电站项目.mp3 **Size** 7012101 B **MD5** 658a3700eaf3cb055591072d3165eca3 **SHA1** f5e3e79c32304cfeea9f78b9901cb17b53f895aa ### 3留学项目.mp3 **Size** 7733499 B **MD5** 0a5c28177ca81e32fb5cc7096fcfade8 **SHA1** 85308393c4cb30bc48ac951c49b8ce76779a130a ### 4旅游项目.mp3 **Size** 7306762 B **MD5** fff03c59f6bfa4826cbed435e601704d **SHA1** 7c94a2da514a0a4194a478b57a21fa5d85acb76d