A.伺服驅(qū)動、變頻驅(qū)動B.變頻驅(qū)動、伺服驅(qū)動C.變頻驅(qū)動、變頻驅(qū)動D.伺服驅(qū)動、伺服驅(qū)動
A.稀油、稀油B.油脂、稀油C.稀油、油脂D.油脂、油脂
A.直接沖屑式/螺排式/螺排式B.螺排式/直接沖屑式/直接沖屑式C.螺排式/螺排式/直接沖屑式D.直接沖屑式/直接沖屑式/直接沖屑式