Why do the pencil sharpeners have to design 3 holes?20181030
There are different types of electric pencilsharpeners on the market, there are 1 hole,
2 holes, 3 holes, and porous.
The three-hole electric pencil sharpener is mainly
for students, art, teachers and other groups. It can cut 6-8mm, 9-10mm, 11-12mm
pencils, because the cut refill is longer than the ordinary pencil sharpener
refill, and the pencil sharpener has The 5th gear can be adjusted, and the tip
length can be adjusted according to your needs. It can be charged and is very
convenient to carry.
评论
发表评论