“走纸”用英语怎么说？

所有的皮带轴、导纸轴 及 走纸辊表面经磨削加工并电镀硬铬.The axis for belt paper guiding roll are polished & hard chrome plating.记录仪由偏转机构 、 走纸机构三部分构成.The recording instrument by the deflection organization, walks the paper organization three parts ...