But he said the situation in Iraq remains fluid and fragile, and under such circumstances the United States must keep its future options open and flexible.
但是，他说，伊拉克的局势仍然不够稳定，还很脆弱。在这种情况下，美国必须确保未来有作出各种选择的灵活性。
Fast, easy, and fluid, Acorn provides the options you'll need without any overhead.
快速，简单，和流体提供的选项，果你需要没有任何开销。
Factors affect gas lift options: the yield of the well bottom-hole pressure, fluid production index, lifting height and the gas injection pressure.
影响气举方式选择的因素有：井的产率、井底压力、产液指数、举升高度及注气压力等。
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