leadoffn.开始;著手;第一拳
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-oxide screen氧化铅靶面
lead acetate medium醋酸铅培养基
lead fluorosilicate氟硅酸铅
Lead-acid batlery铅酸蓄电池
Lead oxidation rate铅氧化率
lead-becquerelite铅深黄铀矿
lead-alkali glass铅碱玻璃
lead melting kettle熔铅锅
lead return launder返铅流槽
lead-free solders无铅焊料