日韩欧美群交P片內射中文,亚洲AV片一区二区三区,亚洲日韩精品欧美一区二区,国产成人无码区免费内射一片色欲

Welcome,
Shamu Advanced Material
Service line
86 0532-66739676
News
THE BEST PERFORMANCE, THE BEST SERVICE

Notice of The Second 2010 Fall Jobsite Polyurea Training Cou

Published:2016-03-03  Source:ShaMu international  View:853

 

 

Qingdao Technological University " The first phase of 2010 Fall Jobsite Polyurea Training Course (Qtech Training Group, QTG)" has been finished successfully.

QTG teaching model that link theory with practice and the foresight bilingual teaching had received praise from the majority of students. Especially two students complained the facts that false polyurea (i.e. hybrid and polyurethane) foaming, blister, delamination and peel off from the substrate,which makes other students admire Prof. Huang in adhering to the scientific definition of pure polyurea, fighting against false polyurea.