英文關鍵字
accessories
automated
casting
connection
construction
control
conveyor
die
drill
drilling
energy
engineering
equipment
facility
fitting
fuel
gas
glass
grinding
industry
inside
iron
large
line
machine
machining
manufacturer
manufacturing
material
mechanical
metal
metals
mill
milling
offshore
oil
part
parts
pile
pipe
pipeline
plant
plumber
power
pressure
process
processing
production
products
pump
recycle
reprocessing
reuse
rotating
safety
separate
shattered
shredder
steel
system
tool
treatment
tube
valves
water
welding
wine
work
workplace