Operation status and manufacturing process of the group rollers in radiator-orientedsteel moulding machine are the fundamentals to improve dynamic and fabricating precision.
散热器铜管成型机成组滚轮的工作状态与制造工艺，是提高铜管成型机运动精度和制造精度的基础。
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This paper Analysis the current status on Application patent technology of oriented electrical steel in China.
本文针对在中国申请取向电工钢发明专利的现状进行了分析。
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Construction is solved with wooden joists, concrete base, oriented strand boards, wooden or steel staircases and two Windows.