The easily available oil from West Texas’s Permian Basin, the richest oilfield in America, is mostly gone now. The best way to extract the remainder is to pump gas down to force the oil out.
西德克萨斯的帕米亚盆地(Permian Basin)是美国储量最丰富的油田，不过里面容易开采的石油已经所剩无几，开采剩余石油的最好办法是打入气体迫使石油涌出。
The octopus arms didn't grab Petri dishes covered with octopus skin, either, and they attached to dishes covered with octopus skin extract with much less force than they otherwise would.
不会吸附覆盖着章鱼皮的培养皿，但是在吸附涂有章鱼皮肤提取物的培养皿时，会比吸附空培养皿时使用更小的力量。
Extract the internal force at both sides of the aperture girder at the load combination of normal use limiting state.
并提取了正常使用极限状态荷载组合下零号块开口梁端两端的截面内力。
Extract the internal force at both sides of the aperture girder at the load combination of normal use limiting state.
并提取了正常使用极限状态荷载组合下零号块开口梁端两端的截面内力。
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