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
- Pt La - 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／C Ru/C
- 能在不同温度焊接的合金 alloys that weld at different heats
- Ru-Ti Ru-Ti
- PT泵 PT pump
- 用黑色合金装饰或镶嵌 To decorate or inlay with niello.
- Pt-Rh Pt-Rh
- 铸造有色合金 cast non - ferrous alloy
- Pt／C Pt/C
- 铬或铬合金 Chromium or a chromium alloy.
- Pt-Ir Pt-Ir
- 烃络合金属 hydrocarbon metal complexes
- Pt/C Pt/C
