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词汇 Copper fittings
分类 英语词汇 英语翻译词典
释义

Copper fittings

英语百科

Copper

A copper disc (99.95% pure) made by continuous casting; etched to reveal crystallites.
Copper just above its melting point keeps its pink luster color when enough light outshines the orange incandescence color.
Unoxidized copper wire (left) and oxidized copper wire (right).

Copper is a chemical element with symbol Cu (from Latin:cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. It is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys.

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