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FS 33Ais suitable for machining free cutting steel, steel up to 60 tons tensile strength in multi-spindle, multi-tool lathes and automatics. FS 33A能加工快削鋼及60噸以下的拉力鋼材，適用於各種傳統車牀如多轉軸、多刀具與及自動車牀等。