但系统地提高井下作业效果与效益的管理思路尚未形成。
But the improving effect and benefit of downhole operation have not formed yet.
评估效果与所取评估权数有关，这主要取决于对综合效益评价中各性能项目在评价中的重要性。
The effect of the evaluation is related to the weight number taken in the evaluation, which depends mainly on the importance of each performance index in the evaluation.
叙述了该公司对振动出矿工艺进行结构和机械改进设计的情况，说明了该项改造所取得的效果与经济效益。
The mechanical and structural design improvement of the vibrating technology made by the company and the efficiency and economical benefit achieved through the transformation are described.
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