keyholing

释义与例句

n.
  1. 1.

    The tendency of a bullet fired down an excessively large barrel to wobble in flight and leave a keyhole-shaped puncture in the target.

    不可数 工程 政治 军事
  2. 2.

    The formation of a transient column of vapor or plasma when using high energy beams, such as lasers, for welding or cutting.

    不可数
v.
  1. 1.

    present participle and gerund of keyhole

词源

From keyhole + -ing.

来源：wiktionary