在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
提升到1800股时，就让每一个脉轮开始扩大尺寸和形状，从一个旋转的圆锥能量系统变成一个多瓣的莲花形状。
The ascent to 1800 causes each chakra to grow in size and shape from a spinning cone energy system to a multi-pedaled lotus shape.
圆锥滚子轴承套圈的加工工艺，冷辗毛坯从进料道由机械手将其送到辗压 轮中；
The invention relates to a process of a conical roller bearing ring. A cold-rolling blank is sent into a rolling wheel from a feeding channel through a manipulator;
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