英文關鍵字
aerial
anchor
blue
boat
bulk
business
cargo
carrier
commercial
container
dock
economy
energy
equipment
export
freight
fuel
gas
global
harbor
import
industrial
industry
international
large
liquid
logistics
marine
maritime
metal
nautical
ocean
oil
port
power
refinery
river
sea
ship
shipping
speed
supertanker
tank
tanker
trade
transport
transportation
vessel
water
waves