2) paper roughness
![点击朗读](/dictall/images/read.gif)
纸粗糙度
1.
A novel method of the paper roughness measurement using airborne ultrasound is given,and mathematic model of the relation between the paper roughness and ultrasonic echo output voltage is established.
提出一种用超声波实现对纸粗糙度测量的新方法,根据超声波回波的特性,建立了纸表面粗糙度和回波输出电压的数学模型。
3) heavy wrapping
![点击朗读](/dictall/images/read.gif)
粗包装纸
4) raw paper
![点击朗读](/dictall/images/read.gif)
粗糙纸
5) base paper
![点击朗读](/dictall/images/read.gif)
粗制纸
6) coarse paper
![点击朗读](/dictall/images/read.gif)
粗质纸
补充资料:度纸
1.指读书跳页。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条