And he said rescuers were debating whether they would in fact need to line the rescue tunnel with metal casing as planned, a process that would take several days.
并且他说营救人员正在辩论他们是否实际需要铺设金属壳的营救管道作为计划,这个过程将花费几天!
In order to get more accurate logging data, it is very important to do research on the influence rule of metal casing and cement sheath to cross-well electromagnetic logging.
为了得到更精确更趋于实际的测井数据,研究套管和水泥环等对井问电磁测井的影响规律具有非常重要的意义。
Said metal releasing apparatus consists of a metal casing and a porous metal filter.
释放器由金属包套及由多孔金属滤器组成。
The feeders may be set in different modes, and are preferably connected to both the metal casing and one tubular conductor through insulator in the metal casing.