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

‘zero’draw off waste  零排放

2M draw time slots  2M抽时隙

3D reconstruction from mechanical engineering draw  机械工程图三维重建

anchor draw-back length  锚具回缩量

angle of draw  陷落角; 出射角; 落角; 塌陷角

anti-draw rock-socketed pile  嵌岩抗拔桩

auto draw  自动绘图

AUTOCAD draw method  AUTOCAD作图法