英文關鍵字
aerial
asia
background
business
canal
cargo
china
commerce
commercial
company
container
crane
economy
equipment
export
freight
global
harbor
heavy
import
industrial
industry
international
loading
logistic
machine
marine
maritime
merchant
nautical
ocean
panama
panorama
panoramic
pier
port
sea
seaport
ship
shipping
storage
technology
trade
transport
transportation
vessel
view
warehouse