During a transition period cam followers with the two internal hexagons are identified by suffix A in the designation, e. G. NUKR(E) 47 A.是什么意思_During a transition period cam followers with the two internal hexagons are identified by suffix A in the designation, e. G. NUKR(E) 47 A.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句