“螺线”造句
用阿基米德
螺线能成功地解决化圆为方的问题,方法很简单.
A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.
现在的密封槽型比较常用的是对数
螺线槽.
Now the commonly used seal groove is a logarithm spiral groove.
螺线齿轮被用于传送在平行的轴之间的行动.
Helical gears are used to transmit motion between parallel shafts.