...
Praseodymium/ Neodymium Oxide

氧化鐠钕

(Pr Nd)ₓOᵧ

Purity:75+25%

•̀.̫•́✧ ❝ 有任何疑惑吗?? ❞

▾▾▾▾▾▾▾▾▾▾▾▾

滚动至顶部