hopper dredger造句
例句與造句
- Structure design of a 13 000 m3 large suction hopper dredger
3大型耙吸挖泥船的結(jié)構(gòu)設(shè)計 - Tendency in development of large trailing suction hopper dredger
大型耙吸挖泥船的發(fā)展動向 - Trailing suction hopper dredger
耙吸式挖泥船 - Full scale ship power measuring of quot; fangcheng quot; trailing suction hopper dredger and operational sailing speed forecast after draghead transformation
號耙吸挖泥船實船功率測試及耙頭改造后作業(yè)航速預(yù)報 - The energy dissipation efficiencies of four common loading systems for self - propelled trailing suction hopper dredgers were compared
試驗結(jié)果表明各種裝艙裝置的優(yōu)劣效果差距并不明顯，仿新海龍型裝艙裝置效果略好。 - It's difficult to find hopper dredger in a sentence. 用hopper dredger造句挺難的
- Improving the working character and the efficiency of trailing suction hopper dredgers will greatly increase the production , save power and bring more interests for dredging industry
改善耙吸式挖泥船的工作特性和工作效率將大大提高疏浚產(chǎn)量、節(jié)省能源，為疏浚工程創(chuàng)造更多的效益。 - The necessity of the yangtze estuary waterway administration bureau ' s purchasing of specialized trailing suction hopper dredger is analyzed , and suggestions on the way of building of the dredger are put forward
摘要對長江口航道管理局購買專用耙吸式挖泥船的必要性進行了分析，并對專用挖泥船建造方式提出了建議。 - Along with lime ' s moving the vessels and equipments which been built by the national investment , one older year by year , in particular , the expensive middling self - propelled trailing suction hopper dredgers
隨著時間的推移，早先由國家投資建造的船舶機具，尤其是價值昂貴的中型自航耙吸挖泥船都逐漸老化陳舊，疏浚能力日益衰減。 - The results of the analysis of the investment wax and wane balance point prompt that the balance point of building 18000 - m3 self - propelled trailing suction hopper dredgers is higher and the anti - risk capacity is weaker
25年，還貸期小于8 26年。對投資的盈虧平衡進行分折結(jié)果表明，建造艙容is000m ’自航耙吸挖泥船盈虧平衡點較高，為74 - So , it is better to select building the large self - propelled trailing suction hopper dredgers abroad . however , the modern dredger is not only a technique a alone together but property article , especially large self - propelled trailing suction hopper dredger
然而，現(xiàn)代疏浚船舶尤其是大型自航耙吸挖泥船不僅是一種技術(shù)密集型的商品，更是一種資產(chǎn)密集型的商品，耗資之巨非上海航道局的財力所能承受。 - This dissertation firstly discusses the basic structure of trailing suction hopper dredgers , then establishes the mathematical model of dynamic process of trailing suction hopper dredgers and the model of compensator of wind and wave , develops a set of real time simulation software using oop visual c + + , mfc , delphi and activex component technology , and simulates the different dynamic characters for different working situations
本文從討論耙吸式挖泥船基本結(jié)構(gòu)和基本工作過程著手，建立了耙吸式挖泥船疏浚系統(tǒng)的數(shù)學(xué)模型，采用面向?qū)ο蟮膙isualc + + 、 mfc圖形函數(shù)、 delphi和activex控件技術(shù)，開發(fā)了一套實時仿真軟件，仿真了不同疏浚工況下的動態(tài)特性。 - A trailing suction hopper dredger is one of the most popular dredging tools for regulation of waterway and harbors . it is a large self - propelled and self loaded dredger which can be used in wide water area such as an estuary or a river mouth . it is adaptive economical , it is widely used in large dredging projects in most countries in the world
耙吸式挖泥船是最常用的清理河道港口的疏浚工具之一，它是水力式挖泥船中大型自航、自載式挖泥船，適用于水域開闊的海灣、河口，具有廣泛的適用性和經(jīng)濟性，為世界上各個國家在較大的疏浚工程中廣泛采用。 - The process of effluent flow during loading in self - propelled trailing suction hopper dredgers was simulated by way of physical modeling and was measured and analyzed by using the flow rate and concentration of spoil in the hoppers , particle sizes of sediments at the inlet and outlet of the effluent flow pipe and hopper volume as the major control parameters
摘要通過物理模型試驗?zāi)M自航耙吸挖泥船裝艙溢流施工過程，以艙內(nèi)流速、艙內(nèi)濃度、溢流進出口泥沙粒徑、裝艙量幾方面為主要控制因素，進行實測、分析，并比較自航耙4種常用裝艙裝置的消能效果。 - There are many sorts of the modern dredgers , to adapt the various working regions , and soil conditions etc . it is inevitable to select to build the large self - propelled trailing suction hopper dredgers for shanghai channel bureau , because of the developments of the big - scale ports and channels at home and abroad , and the bad working conditions offshore , and the business direction
現(xiàn)代挖泥船有各種類型，它們適用于不同的施工區(qū)域與土質(zhì)等工況條件。世界與國內(nèi)港口航道的發(fā)展愈來愈體現(xiàn)出規(guī)模大，向外海推進和施工條件惡劣的特征，從上海航道局的企業(yè)經(jīng)營定位出發(fā)，建造大型自航耙吸挖泥船是首選方案。 - Because the hull scale is big for large self - propelled trailing suction hopper dredgers , and the automatic degree of the equipments is high , the abroad shipyards i special of europe have the ripe experiences to build such dredgers , which with cad to guarantee the building quality and the time limit for project . relatively , the national shipyards never built such dredgers that hopper volume over 4500 m3 . although building the dredgers at home , many be spare and to encourage the development of shipbuilding technique , but the building quality and the time limit foe project cannot be guaranteed
大型自航耙吸挖泥船的船體尺度大，設(shè)備裝備的自動化程度高，國外特別是歐州大型造船廠建造此類挖泥船具有成熟的經(jīng)驗，他們采用電腦輔助設(shè)計和輔助建造可保證質(zhì)量和工期，相對而言，國內(nèi)的造船廠這些年從未建造過艙容超過4500m ~ 3的中型自航耙吸挖泥船，更沒有大型自航耙吸挖泥船的建造經(jīng)歷，雖然據(jù)估算，在國內(nèi)建造挖泥船可節(jié)省一些投資，又可借此激勵國內(nèi)造船技術(shù)的發(fā)展，但其建造質(zhì)量和工期難以保證，權(quán)衡利弊，以選擇國外建造大型自航耙吸挖泥船的方案為好。
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