哪位大神帮翻译下,别在线翻译那种的不靠谱!求英语大神!英译中

哪位大神帮翻译下,别在线翻译那种的不靠谱!求英语大神!英译中
A method and a system for controlling a welding robot is disclosed, in which at the time of restarting the welding operation after a provisional welding stoppage which may occur during a series of welding operation by a robot, the welding operation is restarted from a position receded along the welding line thus far followed. A memory unit sequentially holds the position data along the welding line during the welding operation. The position receded along the welding line is calculated in accordance with the position data held in the memory unit during the provisional welding operation stoppage.