| 单词 | bronze |
| 释义 | bronze Any of a group of alloys of copper and tin, sometimes with lead and zinc present. The amount of tin varies from 1% to 30%. The alloy is hard and easily cast and extensively used in bearings, valves, and other machine parts. Various improved bronzes are produced by adding other elements; for instance, phosphor bronzes contain up to 1% phosphorus. In addition certain alloys of copper and metals other than tin are called bronzes – aluminium bronze is a mixture of copper and aluminium. Other special bronzes include bell metal and gun metal |
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