英文關鍵字
aht
ahts
anchor
blue
boat
bow
buoyancy
construction
cooperation
crew
deck
educational
equipment
floating
group
handle
hazards
industrial
industry
marina
marine
nautical
ocean
offshore
outdoors
platform
red
rig
rigging
russia
safety
sail
sea
seascape
ship
shipping
sky
tank
team
teamwork
technology
tug
tugboat
vessel
water
wave
work