英文關鍵字
activity
architecture
background
brown
building
capacity
cargo
cement
clay
claydite
concrete
construction
design
development
equipment
expanded
flood
flowers
growing
house
industry
ingredient
keep
labor
manufacturing
material
mixer
mixing
mortar
mound
mountain
natural
new
planting
plants
production
raw
site
stock
storage
surface
technology
texture
tool
trough
unloading
urban
work