英语词汇“proof bar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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proof bar

proof bar n. Metallurgy a metal bar which can be inserted into a furnace or the like and withdrawn periodically to give an indication of how the process is progressing.

ΚΠ

1888 Lockwood's Dict. Mech. Engin. 268 Proof bar, the loose bar which is thrust through a hole in the trough which contains steel undergoing the process of cementation, and which is removed from time to time [etc.].

1958 A. D. Merriman Dict. Metall. 260/1 Proof bar, a bar of material, similar to that being treated, that is included in the work during surface-hardening processes.

extracted from proofn.

as lemmas

单词	proof bar
释义	> as lemmas proof bar proof bar n. Metallurgy a metal bar which can be inserted into a furnace or the like and withdrawn periodically to give an indication of how the process is progressing. ΚΠ 1888 Lockwood's Dict. Mech. Engin. 268 Proof bar, the loose bar which is thrust through a hole in the trough which contains steel undergoing the process of cementation, and which is removed from time to time [etc.]. 1958 A. D. Merriman Dict. Metall. 260/1 Proof bar, a bar of material, similar to that being treated, that is included in the work during surface-hardening processes. extracted from proofn. < as lemmas
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