The simplest of these removes the old (cracked) weld material and replaces it with ductile weld material.
三组试件中最简单的一个节点为除去旧有的开裂焊接材料并用延性好的焊接材料重新焊接。
The weld ability, weld material and weld process of the Q345E steel applied to the locomotive and rolling stock for Qingzang line are studied in this paper.
对适用于青藏线机车车辆的Q345E钢的焊接性、焊接材料和焊接工艺进行了研究，对Q345E钢及其焊接接头进行了热处理试验，为Q345E钢焊接工艺规范的制定提供了依据。
The experiment has proven that it can perform quite well in the welding and bring a satisfactory result, being an economical new-type weld material with high efficiency.
实验证明，该焊条具有良好的工艺性能和焊接质量，是一种效率高、经济性好的新型焊接材料。
This system is a microcomputer system, which is the first successful development for the weld-material productive process in our country.
本系统是我国在焊剂生产过程中首次开发成功的微机控制系统。
This system is a microcomputer system, which is the first successful development for the weld-material productive process in our country.
本系统是我国在焊剂生产过程中首次开发成功的微机控制系统。
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