Lanl兰尔LANabbr.局域网(=local area network)Lanjian Iron Ore兰尖铁矿lanostane-type羊毛甾烷型LAN segmentation局域网服务器lanthanide metal镧系金属lanthanum ferrite铁酸镧lanthanum content镧含量lanthanum bromide溴化镧lanthanide seriesn.[化]稀土属元素Lanzieri syndrome兰齐里综合征Lanuch underwater水下发射