狹水道區 的英文怎麼說
中文拼音 [xiáshuǐdàoqū]
狹水道區
英文
area of narrow channel-
Tried to sell the brooklyn bridge, but no one bit
將布魯克林區和長島區分開的一個狹窄水道。The whole area are mined except for a narrow channel we were following, which had been swept.
全區皆有水雷,僅我們行駛的狹道已經掃除。It is a narrow waterway. in some places, the width of it is only about 80 meters. it is very necessary to establish vts and it will improve the safety of the traffic
武漢轄區全長494公里,屬于狹窄水道,有部分航道寬度只有80米,興建vts ,十分必要,也將對交通安全起到積極的促進作用。Abstract : for high arch dams in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious. based on scientific studies, new comprehensive measures are proposed, including dispersion of discharge to waken wallop of the current, and reinforcement of riverbed to enhance the erosion - resistance. the measures can be used to solve the problem of energy dissipation properly. a typical layout scheme has been proposed in which slotted bucket with diversion teeth, double deck with pores, and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious
文摘:高拱壩泄洪消能的特點是壩高落差大,流量大,功率大,位於河谷狹窄地區,泄洪消能與防沖問題突出.經科學研究,採用「分散泄洪,削弱水流沖擊力,加固河床,增強河道抗沖能力」的綜合治理措施,較好地解決泄洪消能布置問題.提出了表孔大差動坎加分流齒、雙層多孔、水流撞擊、下設水墊塘聯合消能的典型布置方案,經實踐證明,方案可靠,消能效果好分享友人