须家河组可视为一个完整的含气高压封存箱，以生烃增压为箱内主要的升压机制。

The Xujiahe Formation can be regarded as a complete gas bearing compartment with abnormally high pressure, in which pressure upgrading regime is caused by hydrocarbon generation.

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因此，它比泵直接传动的压机升压快，但是在使工件产生变形时作的功都是相等的。

So hydraulic press driven by pump-accumulator can boost pressure more quickly than driven directly by pump, but the work is equal when the two types of presses make work pieces deformed.

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因此，它比泵直接传动的压机升压快，但是在使工件产生变形时作的功都是相等的。

So hydraulic press driven by pump-accumulator can boost pressure more quickly than driven directly by pump, but the work is equal when the two types of presses make work pieces deformed.

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