1.
Research of Low-precious Mental Pt-Rh Three-way Catalysts;
高性能低贵金属Pt-Rh型三效催化剂的研究
2.
Study on Low Noble Metal Pt/Rh Monolithic Catalysts for Small Gasoline Engines Exhausts Purification;
低贵金属Pt/Rh型通用汽油机尾气净化催化剂研究
3.
the precious metals, ie gold,silver and platinum
贵金属（金、银、白金）
4.
The Energy and Structure of Low Index Twist Grain Boundary for Noble Metals Au, Ag and Cu;
贵金属（Au、Ag、Cu）低指数扭转晶界的能量和结构
5.
Study on Non-noble Metal Catalyst for Light Paraffine Isomerization at Low Temperature;
轻质烷烃低温异构化非贵金属催化剂研究
6.
Study on Low-energy Deposition of Noble Metals Surface by Molecular Dynamics Simulation;
贵金属表面低能沉积的分子动力学模拟
7.
Research Progress on Reducing the Pt-Rh Catalyst Gauzes Consumption in Nitric Acid Industry
降低硝酸生产中贵金属催化剂消耗的研究进展
8.
bowl (tableware) of precious metal
贵金属制碗（餐具）
9.
cigarette case, of precious metal
雪匣盒, 贵金属制
10.
watch bracelet of precious metal or of metal clad with precious metal
贵金属或包有贵金属的金属制成的表镯
11.
precious metals
珍贵金属(如金、银、铂)
12.
Gold is a noble metal.
黄金是一种贵重的金属。
13.
Gold is a precious metal.
黄金是贵重的金属。
14.
Because of the high cost of the precious metal ingredients, researchers are searching for ways to lower the platinum content.
由于贵金属成份的成本不斐，研究人员正绞尽脑汁降低铂的含量。
15.
To cover the surface of(an inexpensive metal)with a layer of precious metal, such as gold.
镀用贵重金属层例如金等覆盖（非贵金属的）表面
16.
LL group chondrite
低铁低金属群球粒陨石
17.
hat brush (excl. of precious metal)
帽刷（不包括贵金属制）
18.
chandelier, of precious metal
枝形吊灯,贵金属制