例句 /

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 p

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 p

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。