请教法兰翻译? 又查到一个 spot-face:a machining process in which the area around a hole is milled to smooth, flat surface by application of a rotating tool with cutting edges on its end or face. (孔口平面:把一个孔的周围铣平整的一种机械加工处理方式,平面用旋转的刀具在其底面或表面进行加工获得) spot face 是指锪面。也可以用作 spot facing,就是把就是把装配接触面搞平而已查看更多