纸绝缘包铅电缆
paper insulated lead-covered cable
铺设电缆-电缆铺设
Cable assemblies
cable temination equipment
无电缆测井方法
nonwireline logging method
无缆电加热
no-cable electric heaters
无铅电镀
Lead-free electroplating
Lead-free electroplated coating
无铅无镉
lead free and cadmium free
Lead-free and Cadmium-free
Lead and cadmium free
Leadless and Cadmiumless
Non-lead and Non-cadmium
Pb- and Cd-free
lead- and cadmium- free
无铅无镉化学镀镍
lead and cadmium free electroless nickel plating