短語詞組短語core -catcher case 巖心爪外套core barrel catcher 巖心筒抓取器full closure core catcher 全封閉巖心爪basket type core catcher 籃式巖心爪type core catcher 卡瓦式巖心爪melting core catcher 熔化堆芯收集器internal core catcher 堆芯內(nèi)收集器spring core catcher 彈簧式取芯器core catcher case 巖心爪外套 返回 core catcher