英文關鍵字
above
aerial
barrow
borrow
briza
brown
building
clay
construction
delft
devastated
devastation
development
earth
environment
equipment
excavation
extraction
factory
field
ground
heavy
horni
industrial
industry
kaolin
kaolinite
kaznejov
landscape
mine
minerals
open
outdoor
output
pit
pitrun
pollution
production
productivity
quarry
soil
technology
texture
top
toxic
truck
view
work
workplace
yellow