lead seal casing patch tool  铅封式套管修补器

Piezoelectric lead zirconate titanate PZT patch  弓型压电作动器

Piezoelectric lead zirconate titanate(PZT) patch  弓型压电作动器

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

’Black soil patch’ degraded meadow  黑土滩退化草地

3D patch  3D非编织补片

access patch  褐煤; 可拆板

acellular tissue repairing patch  脱细胞异体组织补片

adahesive patch  贴片

adhesively bonded composite patch repair  复合材料补片胶接修理