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单词 paktong
释义 paktong|ˈpæktɒŋ|
Also paak-, packtong.
[Cantonese dial. form of Chinese peh t'ung, f. peh white + t'ung copper. (Pakfong is a mere scribal or typographical error, which has passed from Ure's Dict. Arts into various other works.]
Chinese nickel-silver; an alloy of copper, zinc, and nickel, resembling silver.
1775Ann. Reg. ii. 34/2 A specimen of the ore paaktong, or white copper.1839Ure Dict. Arts, Packfong.1856W. A. Miller Elem. Chem. II. 864 Owing to the remarkable whitening power which nickel exerts on brass, it is now much used in the manufacture of packfong.1883S. W. Williams Middle Kingdom II. 19 The pehtung, argentan, or white copper of the Chinese is an alloy of copper, zinc, nickel and iron;..these proportions are nearly the same as German silver.
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更新时间:2024/12/22 13:53:48