英文關鍵字
auto
automobile
barge
board
car
cargo
charge
circling
coast
construction
container
copenhagen
crane
day
deck
denmark
dock
electricity
embarkation
energy
europe
harbor
harbour
industrial
littoral
load
machine
marine
mill
motion
move
outdoor
outside
platform
port
power
produce
quay
sea
seaport
ship
sky
stern
transport
vessel
water
wave
wind
windmill
zone