| 单词 | trimetallic |
| 释义 | trimetallic /truy'meuh tal"ik/, adj. 1. of three metals. 2. Engraving. (of an offset plate) consisting of a face layer of chromium, stainless steel, or chemically prepared aluminum over a layer of copper with a strengthening backup layer of steel or other metal. [1885-90; TRI- + METALLIC] |
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