基本解释马泉同根派生 Maquan相关词英汉例句No. 4 ore belt in Maquan gold deposit 马泉金矿床四号矿带Characteristic of the associated element and the denuation degree in Maquan gold deposit, Gansu province 甘肃马泉金矿伴生元素特征及剥蚀程度研究Maquan gold deposit 马泉金矿床Maquan更多例句