分期导流 meaning in English

multiphase diversion

This article mainly describes the design conditions , diversion procedure and discharge frequency in the construction diversion of the longkou water control project , as well as its hydraulic calculation in stage diversion , structural style of the cofferdam and the closure design
摘要主要介绍了黄河龙口枢纽工程施工导流的设计条件、导流方式及导流标准、流量，详细叙述了分期导流的水力计算，围堰结构型式及截流设计。
In light of the special natural conditions and project layout characteristics of xiangjiaba hydropower station , a stage diversion scheme with the left bank being closed at the first stage and the right bank closed at the second stage has been selected through comparison of several schemes under the consideration of the aspects such as construction layout , late - stage flood control , navigation during the construction , and the construction period before the commissioning of the first hydropower generating unit
摘要针对向家坝水电站特殊的自然条件和工程布置特点，其施工导流经过对多个方案进行比较，从施工布置、后期度汛、施工期通航、发电工期等方面考虑，选择了第一期围左岸、第二期围右岸的分期导流方案。