| 单词 | proof bar |
| 释义 | Definition of proof bar in English:proof barnoun Metallurgy
OriginLate 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering. Definition of proof bar in US English:proof barnoun Metallurgy
OriginLate 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering. |
| 随便看 |
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。