The crested top was milled and knurled like the knob on a safe.
冠毛茸茸的顶部早已磨平，酷似保险箱的隆起球形旋钮。
There is a small knurled knob at the top right of the sight that is turned to adjust the windage.
有一个小小的在打开的调整偏差看到右上角有凸边的旋钮。
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