breaker bar

名词 n.

英文释义

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

词形变化

breaker bars plural

词源

Open compound noun, break + -er + bar.
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