機器
arm
blue
boom
cable
cargo
crane
danger
detail
development
engine
engineering
equipment
freight
heavy
height
hoisting
hydraulic
hydraulics
industrial
industry
iron
large
lift
lifting
load
loading
machinery
mechanical
metal
mobile
modern
outdoors
part
power
sky
steel
system
tall
technology
tool
transport
transportation
truck
up
vehicle
weight
work
worker
working