求翻译：整机分为三个工位，中间为焊接工位，在其两侧分别是上下工件的辅助工位。龙门机床在中间焊接工位往复运动完成对板式集热器的焊接；龙门横梁采用交流伺服电机驱动，滚珠丝杠传动，移动范围3500mm*1500mm；是什么意思？

Machine is divided into three stations, in the middle of welders bit, respectively, in its upper and lower parts on both sides of the auxiliary station. Gantry machine welder position in the middle to complete the reciprocating motion of the welding plate collector; gantry beam by AC servo motor dri

The machine is in three positions, in the middle of welding, respectively in the two side is up and down the auxiliary workpiece. gantry machine tools in intermediate welding place reciprocating completed the panel mounted collectors; Lung Mun beams used the welding AC servo motor drive, and ball be

The complete machine divides into three locations, middle for welds the location, in its both sides respectively is about the work piece auxiliary location.The Dragon Gate engine bed completes in the middle welding location reciprocal motion to the board style collector welding; The Dragon Gate cros

Machine fall into three-station, Middle welding stations, at its sides which are auxiliary station for the job. Gantry machine welding station reciprocating motion to complete the welding of plate collector; gantry beam using AC servo motor driving, ball screw transmission, the movement 3500mm*1500m

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