Needle sidewise movement 针侧向运动
This invention discloses a sewing machine having stem to be driven to perform longitudinal movement; wherein the stem can be fixed with sewing needle for guiding threads.
本发明涉及一种缝纫机，该缝纫机具有可驱动以上下运动的针杆，该针杆上可固定缝纫针以用于引导针线。
This movement of the plate thus obtained, Harding could easily fasten to it a needle arranged on a dial, bearing the letters of the alphabet, and in this way communicate from one station to the other.
史密斯把铁片的活动装置做好，余下的工作就简单了，只要在一个圆盘上写明字母，在铁片上安上指针，两个电站之间就可以联系了。
The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.
旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。
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