英文關鍵字
heavy
safety
cargo
coating
vessel
heritage
propeller
ship
protective
nautical
merchant
maintenance
operation
marine
repair
life
maritime
blade
architecture
industry
removal
barnacle
commercial
growth
engineering
naval
shipping
ships
dock
cruise
material
transport
failure
treatment
service
sea
before
study
dry
case
liners
corrosion
restoration
infrastructure
welding
port
dockyard
smelting