In the short term, from the screw machinery for considerable energy saving appears more difficult.

要在短期内，从螺杆机械上获取可观的节能则显得更为艰巨。

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But the task will be much more difficult than it appears.

但这个任务远比看起来难的多。

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But the task will be much more difficult than it appears.

但这个任务远比看起来难的多。

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