Pb/Zn oxide ore

• 氧化铅锌矿

Pb/Zn oxide ore的用法和样例：

例句

1. The dressing of oxidized ore of zinc and lead in Lanping has been a tickler for a long time.
   兰坪氧化铅锌矿的选矿长久以来是选矿界的难题。