When installed under a bowed workpiece, the top half of the poleextension will slide up and attach itself to the bottom of the workpiece.
安装时根据鞠了一躬工件的上半部分极延长将幻灯片和重视本身的底部工件。
2
The contact area between part and poleextension should be adjusted so that the amount of flux traveling from pole to pole is sufficient to hold the part, but won't break through the part surface.