Laohekou metallurgy industry mainly take non-ferrous metal smelting primarily, the leading product is electrolytic lead and precious metal. 老河口市冶金产业主要以有色金属冶炼为主,主导产品为电解铅和稀贵金属(PM)。
We have been able to absorb precious metal and gemstone cost increases while improving our gross and operating margins. 我们能够消化贵金属(PM)和宝石的成本上涨,同时提高我们的毛利润率和营运利润率。
Porcelain teeth can be divided into precious and non precious metal ceramic porcelain teeth into two categories. 烤瓷牙可分为贵金属(PM)烤瓷牙和非贵金属(PM)烤瓷两大类。
As a kind of precious metal, gold symbolizes wealth and power from of old. 黄金作为一种稀贵金属(PM),自古以来就是财富与权力的象征。
The Paper generally introduces precious metal catalysts used in petroleum refining and petrochemical industry according to the reaction types. 按照反应类型介绍石油重整和石油化学工业中使用的贵金属(PM)催化剂。