luein.勒丰; 勒丰硬币luabbr.[化]镥（=lutetium）abbr.卢森堡（=luxembourg）lubricating points[化] 润滑点Luminescence model光照明模型lupinidine sulfate硫酸(左旋)鹰爪豆碱lubrication design润滑设计Lu-shaped niches叠形龛Luschka's tuberclelubrication groove润滑油槽lubricating effect润滑效应Luvarus imperialis鲯鲭luminosilicate gel硅铝胶