英文關鍵字
abstract
aluminium
aluminum
anode
anodized
anodizing
atom
background
bar
bubble
building
cathode
cell
chemical
chemistry
circuit
closeup
construction
crosssection
electrical
electrode
electrolysis
electrolytic
electron
electronic
energy
equation
equipment
extruded
factory
grey
heavy
hydrogen
industrial
industry
ionic
lab
laboratory
machine
manufacturing
metal
metallic
oxygen
plate
process
production
profile
silver
steel
water