连续开采工艺 continuous mining: 连续采矿; 连续采煤法; 连续开采mining technology: 采矿工艺; 采矿技术continuous face mining: 连续工祖开采continuous mining machine: 连续采矿机continuous-mining-machine operator: 连续采矿机操作员下载手机词典可随时随地查词查翻译