Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
This is for the gauze of tearing the knot a prelude to a convenient, in the middle of the original sparse grid cloth to add one more crack, make it more easy to tear.
GUANGDONG INDUSTRY TECHNICAL COLLEG
Chun Yang_Wenwen Kuang
GUANGDONG INDUSTRY TECHNICAL COLLEGE