炭末润滑剂胶体石墨导电敷层的英文

aquadag

• 炭:    charcoal
• 末:    tip; terminal; end
• 润滑剂:    lubricant; unguent ...
• 胶体:    colloid; colloidal ...
• 石墨:    black lead; graphi ...
• 导电:    electric conductio ...
• 敷层:    coating; backing; ...