亚博电竞

 marketing network
 Suggestions and Suggestions -- join Lianhua
 Competition site of electric welding in technical competition
Competition site of electric welding in technical competition
 Technical competition electrician project site
Technical competition electrician project site
 Professional skills competition
Professional skills competition
 Fitter skill improvement class in training base
Fitter skill improvement class in training base
 Fitter class
Fitter class
 Opening ceremony of fitter class
Opening ceremony of fitter class
 Graduation ceremony of grade 09
Graduation ceremony of grade 09
 Graduation ceremony of grade 07
Graduation ceremony of grade 07
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