英文關鍵字
asia
boat
boats
building
business
cargo
carrier
china
construction
container
containers
crane
cranes
crate
dock
docks
economy
export
global
harbor
harbour
import
industry
international
machine
manufacturing
merchant
nautical
naval
pier
pollution
river
sea
shanghai
ship
shipping
ships
stack
tanker
tonnage
trade
trading
transport
trucking
tugboats
urban
vessel
vessels
water
wharf