短語詞組短語upper core support barrel 堆芯上部結(jié)構(gòu)支承筒體lower core support barrel 堆芯下部圍筒core -barrel rod [礦業(yè)]巖心管導(dǎo)桿double core -barrel drill 雙巖心管鉆探inside core barrel 內(nèi)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