wear service condition
磨损使用状况
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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