breaker bar

短语

词形变化

breaker bars 复数 breaker bars

释义与例句

n.
  1. 1.

    A heavy-duty handle, typically long and with a nonratcheting head, that turns a socket to break loose nuts and bolts that are very tightly fastened.

  2. 2.

    A bar inside a hammer mill against which the milled material is thrown by the hammers; the material breaks upon hitting it.

词源

Open compound noun, break + -er + bar.

来源：wiktionary