機器
auto
background
banner
boiler
business
change
construction
control
cutting
device
dial
engineering
equipment
factory
fitting
fuel
gauge
group
hand
heat
hydraulic
industrial
industry
instrument
line
machinery
machining
macro
man
manufacturing
measure
metal
meter
oil
part
parts
power
pressure
process
pump
spring
steel
stress
technology
tool
tube
valve
water
work