“贫矿”的反义词：富矿。...

“贫矿”的拼音为：pín kuàng...

总结了在实践中取得的贫矿资源利用的宝贵经验.Important experience of lower grade resources and exploration is based on in practice....

“贫矿”的英语可以翻译为：lean ore，low grade ore，borasca ...