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单词 proof bar
释义

Definition of proof bar in English:

proof bar

noun
Metallurgy
  • A metal bar which can be inserted into a furnace or the like and withdrawn periodically to give an indication of how the process is progressing.

Origin

Late 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering.

Definition of proof bar in US English:

proof bar

noun
Metallurgy
  • A metal bar which can be inserted into a furnace or the like and withdrawn periodically to give an indication of how the process is progressing.

Origin

Late 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering.

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更新时间:2025/6/19 23:53:51