英文關鍵字
brass
closeup
cnc
coolant
cooling
cut
cutter
discharge
drip
edm
electricity
electrode
equipment
eroding
erosion
factory
fire
flame
flow
fluid
heat
hot
industrial
industry
liquid
machine
machining
metal
mold
part
particle
plate
process
product
sheet
spark
sparkle
steel
surface
technology
tool
tungsten
water
wire
wirecut
workpiece