One obvious phenomenon is that the first row with Baochao also to silver equivalent calculation, then simply straight spindle unit of measurement of po.
一个明显的现象是，最初行用宝钞时还以折合银锭计算，后来索性径直用锭为单位来衡量宝钞。
Barrel type straight spindle: spindle and spindle motor to reduce the transmission link error and vibration, the use of integrated direct design, and the use of high precision ABECT.
弹筒式直结主轴：主轴与主轴马达为减少传动连结所产生的误差与震动，采用一体式直接设计，并采用高精密abect。
Track of spindle consists of straight line and curve line in turn.
锭子运动的轨道由直线和曲线两部分交替组成。
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