Click to add TitleClick to add TextSecond levelThird levelFourth levelFifth level Delivering Value through People Chemistry 纸及纸板破孔和纸病的产生原因分析和建议的解决办法周振平气泡褶子或压光机折子特征描述: 褶子折子通常与纸机运行方向成一定的角度由纸页进入压区
