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scores of sciencse experiments on board the airship study the dramatic persure change. we call it punset for pingpang ball satelite, and it also be the first thing we do is to have cut the pingbang ball on air ,then your experiment goes inside. and s

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Most of the time I say a bomb tech has the best job in the world. But when nothing happens, thats really when they earn their pay. Looks like thats my problem. Next, its over to Grant. One of the key parts of mythbusting is data. Im totally psyched a

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These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器，我答，我知道它们的用法。我现在看见的这个表盘，上面有能转动的针，那不是流体压力计吗？

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