A cog (16), a lower gear (15) and a medium gear (13) inside a medium wheel box (11) are fixed mesh connection.

介轮箱(11)内的上齿轮(16)、下齿轮(15)和介轮(13)是固定啮合连接。

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The first gear wheel (5) can be transferred into a switched-on state, where the first gear wheel (5) is connected to the first shaft (2) in a rotationally fixed manner.

第一齿轮(5)能转变到接合的状态，在该接合的状态下第一齿轮(5)与第一轴(2)抗旋转地相连接。

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