英文關鍵字
circle
circular
cool
craft
cut
disc
electric
equipment
factory
flow
fluid
hardware
industry
instrument
iron
kazan
lubricant
lubricating
machine
machinery
macro
manufacture
manufacturing
mechanical
metal
move
pipe
plant
power
production
rotary
round
sawblade
sharp
sheet
steel
tatarstan
tatneft
technology
tool
work
workshop