对封闭式差动轮系进行了受力分析，揭示了封闭系统所起的作用以及轮系中的功率分流和力分流的现象。

Theaction of the Closed system, the phenomena of the split flow of power and the force in the closed type of differential gear train have been demonstrated.

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二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。

Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.

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分流液压转向系液压机组的台架试验，是对系统设计和装车前的重要研究手段。

The bed test of the hydraulic unit of the hydro-steering gear in the power split transmission is the crucial research method for system design and prior to road test.

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