| 单词 | hard solder |
| 释义 | Definition of hard solder in English:hard soldernoun
OriginMid 17th century; earliest use found in John Bate (fl. 1626–1635), writer on mechanics. Definition of hard solder in US English:hard soldernoun
OriginMid 17th century; earliest use found in John Bate (fl. 1626–1635), writer on mechanics. |
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