英文關鍵字
chemical
factory
production
workshop
industrial
technology
equipment
manufacturing
chemistry
engineering
system
process
plant
tank
cistern
connected
stainless
tube
gas
distribution
pipeline
fertilizer
material
reservoir
full
cycle
service
product
pipe
reaction
improvement
metal
refinery
distillation
machine
power
pressure
medical
pharmaceutical
pump
science
complex
barrel
treatment