您要查找的是不是：
- Pt-Ru合金Pt-Ru alloy
- Pt-Ru合金系Pt-Ru alloy system
- Ni-Ru合金nickel-ruthenium alloy
- Os-Ir-Ru合金Os-Ir-Ru alloy
- Pt-Fe合金Pt-Fe alloy
- PtLa - Al2O3
- 稀土金属混合而成的发火合金。a pyrophoric alloy made from a mixture of rare-earth metals.
- PT酸PT acid
- Ru／CRu/C
- 能在不同温度焊接的合金alloys that weld at different heats
- Ru-TiRu-Ti
- PT泵PT pump
- 用黑色合金装饰或镶嵌To decorate or inlay with niello.
- Pt-RhPt-Rh
- 铸造有色合金cast non - ferrous alloy
- Pt／CPt/C
- 铬或铬合金Chromium or a chromium alloy.
- Pt-IrPt-Ir
- 烃络合金属hydrocarbon metal complexes
- Pt/CPt/C
