As muddy sediments are pressed together, the gas and small droplets of oil may be squeezed out of the mud and may move into sandy layers nearby.
当泥质沉积物被挤压在一起时，气体和小油滴可能会从泥浆中被挤出，并进入附近的沙层。
Channels cut by loggers and oil companies eroded much of the island, and decades of flood control efforts have kept once free-flowing rivers from replenishing the wetlands' sediments.
伐木工和石油公司开凿的水道侵蚀了岛上的很多土地，几十年的防洪工程阻断了曾经通畅的河流，让湿地的沉积层得不到更新。
The interstitial water in surface sediments is taken to be the sample source of liquid hydrocarbon for offshore oil and gas geochemical prospectation.
表层沉积物间隙水可作为海洋油气化探液态烃的样品源。
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