The upstream of Yellow River is rich in hydropower resources and should be listed in the priority development region.
黄河上游水力资源是我国水电建设的富矿，应为优先开发的重点。
Applying principle of systems engineering this paper evaluated 43 type of pavement construction machines with multi-index and assigned the sequence of priority development.
本文采用系统工程学原理，对43种路面机械进行多指标的加权评分，排出优先发展顺序。
Applying principle of systems engineering this paper evaluated 43 type of pavement construction machines with multi-index and assigned the sequence of priority development.
本文采用系统工程学原理，对43种路面机械进行多指标的加权评分，排出优先发展顺序。
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