contact weld meaning in Chinese

触点熔接

Specially designed contact welding rods
特殊钢焊条专用。
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。
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。