Set the tracking force dial to the zero detent position 将针压钮调到零的位置。
2.
For single needlemachine 滚轮式单针压脚
3.
Vicat indentation test 维卡针压陷试验
4.
Plastics . determination of environmental stress cracking . ball or pin impression method 塑料制品.环境应力开裂测定.球体或销针压痕法
5.
Try this quick acupressure technique on yourself : pinch the point between your thumb and forefinger and hold for two minutes then gradually release 可以尝试一下快速针压法：掐虎口大拇指和食指之间的部位2分钟，然后慢慢松开。
