接触焊 meaning in Chinese

contact welding
jig welding
resistance welding

The pd3 rails made in china and uic900a rails made in france are welded into 250m long rail by contact weld
在铺轨基地采用接触焊将pd3轨和法国uic900a轨焊接成250m长轨。
This paper analyzes the cause of small concaves around the welding seam in the long rail of guangzhou metro line 2 , and presents preventive measures , such as increasing the under layer of the rail , limiting the weld seam , lowering the welding temperature etc
摘要结合广州地铁2号线接触焊焊接长钢轨的实践，分析了产生焊头表面小凹痕的原因，提出改变垫高钢轨的方式、缩小正火范围、降低正火温度、限制接头错牙量等预防措施。
Based on the construction of guangzhou metro line 3 welding process and quality control , this paper introduces the mobile contact welding , analyzes some key points during the process of welding , such as welding of rails in curved sections , environmental protection , the measurement of straightness on the welding junctions located in curved sections , the maintenances of equipment etc . , holds that more attention shall be given to these points
摘要介绍了移动式接触焊在广州地铁3号线中的施工工艺及施工过程；分析施工过程中应该注意的曲线钢轨焊接、环境保护、曲线钢轨焊接接头平直度的测量、设备维修保养等技术要点。