Leadsonn.利德森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 tetrschloride四氯化铅lead-pot furnace铅浴炉Lead-eliminating排铅lead frame bonding引线框式键合lead-lined frame防射线门框Lead Coated Copper铅包铜丝lead free gasoline无铅汽油lead-flee solder无铅焊料lead a lonely life过着孤独的生活lead iodide adduct碘化铅加合物