英文關鍵字
assist
assistance
berth
boat
bulk
bulker
cargo
container
dock
fleet
freighter
harbor
industrial
industry
jetty
maneuvers
marine
maritime
mooring
nautical
navigating
navigation
operations
pilot
port
push
river
sea
ship
shipment
shipping
terminal
towboat
transport
transportation
tug
tugboat
vessel
wharf