... 封闭式箍筋 closed stirrup 封闭式辊筒 closing roller 封闭式弧光 enclosed arc ...
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The utility model connects two electricity magnets by a ball head draw rod, a switch closing draw rod and a draw rod roller, through the skillful design.
本实用新型通过巧妙设计,由球头拉杆、合闸拉杆、拉杆滚轮,将两个电磁铁联结起来。
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