Antarctic bottom water AABW
bottom sludge accumulation
Bottom water
底
底部物
底层水
边底水
底水油藏
剩余油料
底层海水
底[层]水[团]
底水
bottom water channels upward
bottom water circulation
Bottom Water Drive Reservoir
bottom water drive type reservoir
bottom water encroachment
Bottom Water Oil Deposit
bottom water oil reservoir