Modified by removing sides of pins equally to produce width. Flats on each pin must be parallel to respective wrench arm.
可以通过拆卸插脚的两侧来改进，效果相当于改变宽度。每个插脚的平面必须平行于各自的扳手叉臂。
Modified by removing sides of pins equally to produce width. Flats on each pin must be parallel to respective wrench arm.
可以通过拆卸插脚的两侧来改进，效果相当于改变宽度。每个插脚的平面必须平行于各自的扳手叉臂。
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