体系认证咨询 发表于 2019-3-7 21:55:23

教小家伙做PPT

http://img.xcdsw.com/pic/20190307/1551966908471515_530.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
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