用“gel pen”造句大全，gel pen造句

You can use a colored gel pen to write dates, names, and other highlights about the activities in the pictures.

The workload is big. Are gel pens used?

Making researching developing designing and sale all the student and office stationeries. Makes all size of ball point pen and gel pen's refill.

Materials: rapidograph, silver gel pen, water color pencil, colored ink, paper.

Although China was the major manufacture of ball-point pens in the world, the gel pen ink which was in high technology is still rely on importing so far.

Main products and services are: gel pen;