[矿业] 纯钻进速度 drilling speed: 钻进速度;钻井速度; 钻孔速度net drilling days: 纯钻进日数; 纯钻井日数net drilling rate: 净钻率net drilling time: 纯钻进时间rate of net drilling: 纯钻进速度; 纯钻井速度下载手机词典可随时随地查词查翻译