英文關鍵字
chemical
industry
cleaning
product
factory
health
care
hygiene
industrial
machine
production
soap
business
indoors
manufacture
equipment
processing
materials
hydraulic
background
line
modern
sandal
grinder
dumping
space
mixing
ingredients
raw
plodder
machinery
engineering
chamber
process
mixer
amalgamation
refining
additive
synthetic
products
bags
feed
hopper
blades
pour
blend
rotation
cold
liquids
automatic
technology
kettle