基本解释夹定绞刀；机用铰刀词组短语短语expansion chucking reamer 膨胀式机用铰刀;[机]机用扩张式铰刀expansion n chucking reamer 膨胀式机用铰刀rose chucking reamer [机]玫瑰形机用铰刀;玫瑰形机用绞刀expa ion chucking reamer 膨胀式机用铰刀fluted chucking reamer [机]机用带槽铰刀专业释义经济学机用铰刀