因此，我们对佛罗里达州州长查理克里斯特的转变有点困惑，他原先积极拥护进行海上石油钻探，现在已改弦易张。
Thus, we're a little bemused by the conversion of Florida Gov. Charlie Crist, a former advocate of offshore oil drilling who has now changed his mind.
开采这些超深的油矿沉积层所需的钻探压力是开采海上石油正常压力的三倍。
These ultra-deep deposits must be drilled at up to three times the normal pressure for offshore oil.
开采这些超深的油矿沉积层所需的钻探压力是开采海上石油正常压力的三倍。
These ultra-deep deposits must be drilled at up to three times the normal pressure for offshore oil.
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