lanon聚酯纤维LANabbr.局域网(=local area network)lanthanum orthophosphate正磷酸镧LAN-WAN interconnection局域网-广域网互联lanthanium oxide promoter氧化镧助剂Lanthanum acetylacetonate乙酰丙酮镧Lanjiagou molybdenum mine兰家沟钼矿lanthanum supplementation镧Lanping Lead- Zinc Mine兰坪铅锌矿lanthanum boride ceramics硼化镧陶瓷Lanlingxi small watershed兰陵溪小流域Lanzhou metropolitan area兰州都市圈