機器
agriculture
background
chemical
compression
compressor
control
convey
diaphragm
electrical
engine
engineering
equipment
factory
feed
force
foundation
gas
hose
industrial
industry
isolated
line
liquid
loading
motor
move
new
oil
old
part
pipe
pipeline
plant
power
pressure
production
pump
pumps
service
spare
sprayer
steel
system
technology
transportation
tube
water
white
wood