touching method meaning in English

接触法

Internal accessories : suitable for various demands , the shunt release , auxiliary contact , alarm contact and undervoltage trip can be easily mounted as one - touch method without screw fitting
内部附属装置： sht aux alt uvt采用one - touch方式，安装方便，不须用螺丝固定，而且容易定位，您可随心搭配以满足您不同的需求。
In this paper , on basis of the current machining state , a testing principle on aspheric surface is put forward to , the principle is a kind of touching method by testing the meridian of aspheric surface and comparing it with the theoretical curve , so surface figure error is got . according to this principle , mechanical structure is designed and electric - control system is researched
本文首先基于现阶段非球面的加工状况，提出了用接触式检测非球面的子午面面形曲线并与理论曲线相比较，从而得到非球面面形误差的检测原理，并根据该原理进行了机械结构的总体设计和电控系统的研究。