Luian.卢亚河(在莫桑比克)luabbr.[化]镥（=lutetium）abbr.卢森堡（=luxembourg）lubrication oil viscosity润滑油粘度Lubar intervertebral disc腰椎间盘突出症Ludila hydropower project鲁地拉水电站lumbosacral plexus lesion腰骶(神经)丛损害lumbsacral radicular pain神经根性腰腿痛Luminescent bacteria test发光细菌测试法lumbrical muscles of hand手蚓状肌lubricating oil additives润滑油添加剂Luijiemycin Hydrochloridelubricator for slick line钢丝防喷管