南至牛道岭，与盂县为界；

Pandaoling cattle south, and bounded Yuxian;

youdao

辽阳三道岭铁矿是近年来勘探开发的鞍山式贫铁矿床。

Sandaoling iron deposit in Liaoyang, Liaoning Province is a lately explored lean iron deposit of Anshan type.

youdao

根据五道岭钼矿全尾砂浆体物理化学性质，选择了阴离子聚丙烯酰胺作全尾砂沉淀的絮凝剂。

According to the physicochemical properties of unclassified tailings in Wudaoling molybdenum mine, the anionic polyacrylamide is used as a flocculant for precipitation.

youdao