iron-lead matte  铁铅锍

lead matte smelting  铅锍熔炼

lead lead method  铅铅法年龄测定

lead-lead age  铅同位素年龄

red lead lead tetroxide  四氧化三铅

Lead(IV) oxide (Lead Dioxide， Lead Peroxide)  铅的氧化物

lead and lead-4% antimony alloy  Ph和Pb-4%Sb合金

lead and lead-antimony alloy  铅与铅锑合金

Lead and lead-free mixed assembly technics  有铅和无铅混装工艺

lead-acid batteries with lead-alloy fiber mesh grid  铅布蓄电池

lead-fiber wound lead-acid battery  铅布卷绕铅蓄电池

Lead-saving technology for lead-acid batteries  铅酸蓄电池节铅技术

line of lead-in and lead-out  引入引出线

(Pb) lead  铅

(Pb)lead-free  无铅化

1017 upland sliver-lead polynetallic ore deposit  1017高地银铅多金属矿

12 Lead  十二导

12 lead the joint synchronized electrocardiogram  12导联同步心电图

12-lead  12导联