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我们研制了一种新型夹具——弱磁力夹具(图1)。这种夹具比普通夹具具有多种优越性。当永久磁铁的位置如图1A所示,磁力线经过磁靴左右两部分闭合,对外不显示磁
We developed a new type of fixture - weak magnetic fixture (Figure 1). This fixture has many advantages over ordinary fixtures. When the position of the permanent magnet is shown in FIG. 1A, the lines of magnetic force are closed by the left and right parts of the magnetic shoe,