Today is a unforgettable day. It will leave permanent fragrance to the 37 students of Grade 6.
今天是一个令人难忘的日子，她将在六年级37位同学心中留下永久的芬芳！
2
Permanent violet RL is high-grade organic pigment of carbazole dioxathion.
永固紫RL系二恶嗪类的高档有机颜料。
3
Strong magnetic separation machine adopts permanent magnet department multistage choose don't design, stable work, concentrate grade can make a large quantity of also can be guaranteed.