Porcelain on Precious Alloy 贵金属烤瓷
precious alloy hydride 贵金属合金氢化物
PRECIOUS METAL ALLOY WIRE MESH 贵金属合金网
precious electrical resistance alloy 精密电阻合金
precious metal alloy 贵金属合金
precious ternary alloy conductive paste 三元贵金属导体浆料
precious metal dental casting alloy 牙科贵金属铸造合金
non-precious ceramic alloy 非贵金属烤瓷合金
binary precious metal alloy 贵金属二元合金
Transaction record. Silver precious material, high artistic value, cast by the precious metals or silver alloy production.
的成交记录。银元材质珍贵，艺术价值高，由贵重金属或白银合金铸造，制作。
Objective to study the microsegregation phenomenon in as-cast micro structure of a precious metal ceramic alloy so as to provide theoretic basis for study on this kind of alloy.
目的观察贵金属烤瓷合金铸态组织成分偏析情况，为该合金性能研究提供理论依据。
They could also fake the look of a coin by chemically treating the surface of an alloy (which may or may not have contained precious metals) to give it a silvery or golden sheen.
他们还可以用化学方法处理合金(也许含有贵金属，也许不含)的表面，使它发出银或金的光泽，由此来伪造硬币的外表。
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