機器
air
background
carry
chamber
chemical
control
convey
cycle
design
diaphragm
double
engineering
equipment
factory
flange
flexible
gas
hose
industrial
industry
inlet
isolated
liquid
loading
mechanical
membrane
mixture
move
new
oil
part
pipe
pipeline
plastic
pressure
production
pump
rubber
spare
steel
technology
transfer
transportation
transpose
viscous
water
white
wood
work