rolled gold covering 轧金覆盖层
rolled gold wire 压延的金线丝
gold rolled steel plate painted 黄金热轧钢板画 ; 金钢材板画
N a metal, such as brass, coated with a thin layer of gold, usually of above 9 carat purity. It is used in inexpensive jewellery 包金 (Also called (US) filled gold)
Foil: Metal, such as gold, tin, aluminium, etc, hammered or rolled into thin sheet.
金属箔：被锤打或滚压而成十分薄的金属片：如金、锡和铝等。
Foil Metal, such as gold, tin, aluminium, etc, hammered or rolled into thin sheet.
被锤打或滚压而成十分薄的金属片：如金、锡和铝等。
Pure gold can be rolled and hammered to gold leaf, so thin that light can be transmitted through it, or drawn down to a fine point because it has extremely high ductility.
由于纯金的很强的延展性它可以被磙子压，锤子砸变成金叶子，可以薄到光线可以穿过的地步，或者从小孔里流下来。
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