英文關鍵字
bangladesh
boat
dredge
dredger
dredging
equipment
excavation
excavator
harbor
industrial
industry
land
marine
mud
replenish
river
rupsa
rusty
sand
sea
ship
shipping
shore
suction
technology
transportation
vessel
view
water
waterway
work
英文關鍵字
bangladesh
boat
dredge
dredger
dredging
equipment
excavation
excavator
harbor
industrial
industry
land
marine
mud
replenish
river
rupsa
rusty
sand
sea
ship
shipping
shore
suction
technology
transportation
vessel
view
water
waterway
work