core barrel
短语词组
- upper core support barrel 堆芯上部結搆支承筒躰
- lower core support barrel 堆芯下部圍筒
- core -barrel rod [鑛業]巖心琯導杆
- double core -barrel drill 雙巖心琯鑽探
- inside core barrel 內巖心筒
- detachable core barrel 可拆式巖心筒
- core barrel catcher 巖心筒抓取器
- rubber sleeve core barrel 橡膠套巖心筒 返回 core barrel