体系认证咨询 发表于 2018-9-26 13:00:01

办事情不容易

办事情不容易
http://img.xcdsw.com/pic/20180926/1537937987963925_930.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
http://img.xcdsw.com/pic/20180926/153793798798520_145.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
http://img.xcdsw.com/pic/20180926/153793798819033_979.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
http://img.xcdsw.com/pic/20180926/153793798873831_296.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
http://img.xcdsw.com/pic/20180926/1537937988943252_201.jpg?watermark/1/image/aHR0cDovL2ltZy54Y2Rzdy5jb20vcGljLzIwMTgwODI2L3FpX25pdV8xNTM1MjQ4Njg5ODE3Xzk5N181OTlfNzc2LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20

夕阳无限好 发表于 2018-9-26 20:18:42

没看明白都是什么东西

搏搏 发表于 2018-9-26 20:20:41

一看你就是白领

体系认证咨询 发表于 2018-9-26 21:34:01

夕阳无限好 发表于 2018-09-26 20:18
没看明白都是什么东西

热水器里面的热交换器

体系认证咨询 发表于 2018-9-26 21:34:09

搏搏 发表于 2018-09-26 20:20
一看你就是白领

干活的
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