Features: Photoelectric control is adopted for the precision of edgealignment.
特点：采用光电控制对边精度。
2
It employs cloth guider and edgealignment, pneumatic cloth edge adjuster. Synchronous clothe feeding roller synchronous cloth-feeders.
采用导布对边机，气压式布边调整机、同步送布轮、同步送布机无张力连续贴布及送布。
3
It tends to be the weakest text alignment that you can choose, having a hard edge increases readability considerably (notice that book pages aren't center-aligned).