英文關鍵字
coolant
cooling
machine
band
blade
bar
rod
sawing
processing
metalwork
workshop
manufacturing
iron
raw
material
ingot
factory
metal
bandsaw
separate
cutter
machining
sawdust
blank
shaft
manufacture
technology
production
tool
machinery
industrial
industry
steel
equipment
metalworking
tube
work
liquid
cut
closeup
water
engineering
precision
plant
process
close
scene
operation
cutting
parts
method
purpose