機器
arm
auto crane
boom
build
building construction
capacity
cargo
civil engineer
commercial
concrete
construction
construction site
development
employment
engineering
equipment
estate
formwork
freight
heavy
height
hook
hydraulic
infrastructure
intersection
jib
job
labor
lift
lifting
load
mobile crane
mobile truck crane
municipal building
occupation
overhead
replacement
roadworks
safety
scoop
site
technology
telescopic
tower crane
transportation
urban
vehicle
work
workplace
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