英文關鍵字
ultra
ultrasonic
ultrasound
wash
work
workshop
steam
temperature
solution
apparatus
part
valve
car
lifting
oil
pan
automatic
block
clean
cleaner
cleanness
cleanse
cleanser
clear
container
debris
device
digital
electric
engine
equipment
industry
machine
machinery
machining
metal
preparation
pressure
procedure
process
program
purity
stainless
steel
sterile
sterilization
tank
technology