This paper presents the producing cause of different unfavourable flow conditions in the outlet area of approach channel for ship gate and its perniciousness.
阐述了水利枢纽船闸引航道口门区各种不利流态产生的原因，及其危害性，和提出了改善的措施。
The trap structures in Chengdu area are unfavourable for trapping a great deal of oil and gas because of younger age.
因为新农村住宅受地区的影响很大，而各个地区又有着不一样的情况，所以本文研究范围选定在成都地区。
应用推荐