异常高压可以阻止地下水活动、氧和细菌对油气藏的破坏作用。
Abnormal high pressure can prevent underground water, oxygen and bacteria from destroying oil (gas) reservoir.
深的伤口是某些种类的细菌孽生的理想场所，因为那里的供血和供氧被切断。(译为原因状语从句)。
A deep wound, where the supply of blood and oxygen has been cut off, is the perfect place for certain kinds of bacteria to grow.
所有光合细菌加上各种兼性的好氧生物和绝对的厌氧生物具有这种能力。
All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes.
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