Front main speaker system uses choiceness paper cone 前置主扬声器系统采用优质纸盆。
2.
Ydg50 dynamic paper - cone tweeteers Ydg50电动式高频纸盆扬声器
3.
Quality control pivot of production for dynamic cone loudspeakers 电动式纸盆扬声器制造质量控制要点
4.
The older group engaged in plaster molding , and their finished works in the shape of objects like a pie , a spaceship , a snake pit , and crabs were displayed on paper plates 年长组做的是石膏模型，塑造出各种形状的东西好像馅饼太空船蛇坑螃蟹，然后放在纸盆上展览。
