On the point of an upright needle he laid horizontally a fine steel bar, which could turn to the right and left like the magnetic needle in a compass-box..
他在一根垂直的针头顶点，设置了一根水平的钢制细棍，它可以左右转动，就像罗盘里的磁针那样。
2
The utility model has the advantages that the utility model can rapidly and accurately achieve the left or right displacement displaced by the moving needle plate according to the demand.
本新型具有能快速而准确地获得活动针板依需向左或右位移的位移量。
3
This tissue also contains many nerve endings, which may explain why a needle in the right hand would affect the left shoulder.