Therefore the force condition of the mechanism is improved, and the service life of the drive chain is prolonged, thereveral impact and wear of the guide are reduced.

这些措施改善了整机受力状况，提高了链条寿命，减少了换向冲击和导轨磨损。

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Therefore the force condition of the mechanism is improved, and the service life of the drive chain is prolonged, thereveral impact and wear of the guide are reduced.

这些措施改善了整机受力状况，提高了链条寿命，减少了换向冲击和导轨磨损。

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