leadmann.测深手
leadv.引导;领先;带领;过 ... (的生活);导致n.领头位置;主角;榜样;引言;铅
lead totanate ceramics钛酸铅陶瓷
lead in oil production在石油生产方面领先
Lead - free pure tin无铅纯锡
lead molybdate sedment钼酸铅沉淀
lead-and-oil paint油铅, 油漆
lead-free zinc oxide无铅氧化锌
lead sb. by the hand拉着某人的手领路
Lead and zinc minerals铅锌矿
lead wire compensation引导线补偿,引线补偿
Lead and Zinc resource铅锌矿产