为了避免生产过剩，上游工序不是将成品零部件“推”给下游工序，反而是下游工序主动地从上游工序中拉出(拿)零部件。

So to prevent overproduction, the upstream doesn't "push" finished parts to the downstream, but instead it is the downstream that actively pulls (fetches) the parts from the upstream.

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介绍了该车的车架、传动装置、弹簧支座、弹簧组合和主动轮部件等设计。

The designs of the vehicle's frame, transmission device, spring support, spring combination and driving wheel component, etc. were introduced.

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我们认为，对于机器的通信部件来说，应将如何更好地支持主动消息作为研究的重要方向。

We consider that how to support active message better in hardware of communication unit is an important research aspect.

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