mill drill

短语

词形变化

mill drills 复数

释义与例句

n.
  1. 1.

    A classroom exercise in which students have to mill around to exchange information.

  2. 2.

    A light-duty machine tool for milling or drilling, as needed; it combines a drill press with the X/Y coordinate abilities of a milling machine's table and a locking collet that ensures that the milling cutter will not fall from the spindle due to lateral forces against the cutter during milling.