采矿区矿山管区mining: n. 1.采矿,采矿业,矿业。 2.敷设地雷[水雷]。 ...district: n. 1.区;管区;行政区,市区。 2.地区,区域。 3 ...changes in a coal mining district: 煤乡的变迁industrial and mining district: 工矿区underground coal mining district: 井下采煤区下载手机词典可随时随地查词查翻译