leadlagn.超前滞后
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 crystal wine set铅料酒具
lead - Znic Deposit铅锌矿
lead a strenuous life过艰苦的生活.
lead content in urine尿铅含量
lead - zinc deposit铅锌矿
lead block technology铅挡技术
lead-in probability引入概率
lead improving kettle铅精炼锅
Lead - free solders无铅焊料
lead-free component无铅元器件