合理的支护形式是矿井安全生产的保证，也是经济效益提高的重要前提。
The rational support form is the guarantee of the mine safety production, is also the important premise of raising economic efficiency.
工程索赔管理作为项目管理中的重要组成部分，在承包商的经济效益提高方面，发挥着重大的作用。
As the important component of the project management, claim management is playing a great role in economy profit increase of contractors.
企业间的相互拖欠及应收账款长期居高不下等问题已成为经济运行中的重大障碍，严重影响了企业资金周转及经济效益提高。
The default of Accounting Receivable between companies appears to be an obstacle in the development of market economy, meanwhile, these default becomes to be heavy burden for these companies.
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