求翻译：2011年6月，在老师带领下，在攀钢机制厂，我们学习并参于了攀钢的焊接和轧钢方面的生产；在塑料厂，学习并参于了塑料袋制造过程；在车床机制厂，学习并参与了相关产品的打磨和焊接过程。。是什么意思？

June 2011, under the leadership of the teachers, the mechanism in the Panzhihua Iron and Steel Factory, we learn and participate in the Panzhihua Iron and Steel welding and rolling in the production; in the plastic factory, learn and participate in a plastic bag manufacturing process; turning mechan

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Under June, 2011, leads in teacher, is climbing the steel production machines manufacturing plant, we studied and participate in have climbed the steel the welding and the steel rolling aspect production; In the plastics plant, studied and participated in the plastic bag manufacture process; In the

In June 2011, led by the teacher, in mechanisms of panzhihua steel plant, we learn and participate at panzhihua steel's welding and steel rolling production; plastics factory, learning and participation in the plastic bag manufacturing process; in the mechanism of lathe factory, study and participat

In June 2011, led by the teacher, in mechanisms of panzhihua steel plant, we learn and participate at panzhihua steel's welding and steel rolling production; plastics factory, learning and participation in the plastic bag manufacturing process; in the mechanism of lathe factory, study and participat