英文關鍵字
architecture
bucket
bulldozer
car
dig
dirt
earth
engineering
equipment
excavator
industrial
industry
land
load
machinery
metal
open
pipes
plot
technology
tractor
trailer
transportation
trees
truck
work
yellow
英文關鍵字
architecture
bucket
bulldozer
car
dig
dirt
earth
engineering
equipment
excavator
industrial
industry
land
load
machinery
metal
open
pipes
plot
technology
tractor
trailer
transportation
trees
truck
work
yellow