... guarantee a balanced budget保证预算平衡 guarantee the efficiency of labour保证劳动效率 guarantee a good harvest保证获得丰收 ...
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保证劳动效率
Ensure labor efficiency
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本发明装置机械化作业，减轻工人劳动强度，提高劳动效率，保证磨削质量。
The device of the invention has the advantages of mechanical operation, reduced labor intensity of worker, increased labor efficiency and guaranteed grinding quality.
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