英文關鍵字
assistant
bulb
chemical
chemistry
clear
closeup
distil
distillation
distillery
equipment
essential
exam
exemination
experiment
extraction
factory
flow
gasoline
glass
hand
lab
laboratory
lever
liquid
natural
oil
petroleum
plant
pour
process
raw
refinery
room
sample
science
study
tatarstan
tatneft
test
tool
tube
ware
work