機器
air
auto
background
black
car
coil
coiled
compression
compressor
detail
device
electric
electrical
engine
equipment
fill
harden
hose
indicator
indoor
industrial
industry
inflate
instrument
isolated
manometer
measure
metal
meter
mobile
motor
new
nobody
piston
pneumatic
portable
power
pressure
pump
red
small
spiral
storage
system
technology
tool
valve