“鉛礦”造句
2024年07月01日 12:49:44
它因有
鉛礦而非常出名.
It is well known for its lead mines.
礦產(chǎn)資源主要以鎢礦 、
鉛礦 、 鋅礦和瓷土礦為主.
Mineral resources are mainly tungsten ore, lead ore, zinc, and clay mineral - based.
本文研究了硫化鈉對(duì)方
鉛礦無捕收劑浮選的影響.
Effects of sodium sulfide on collectorless flotation of galena have been investigated.