排水暗管的英文

• closed drain

• "排水"英文翻译    drain off water; drain away ...
• "暗管"英文翻译    concealed piping; covered co ...
• "暗管 暗沟 排水暗管" 英文翻译 :    underdrain
• "滤水暗管" 英文翻译 :    filter drains
• "污水暗管" 英文翻译 :    blind sewer
• "暗管排水" 英文翻译 :    closed drainage; tile drainage
• "排水暗沟" 英文翻译 :    covered drain; dewatering culvert; drainage trench; spray drain; underground run off
• "排水暗渠" 英文翻译 :    discharge culvert
• "建筑排水暗渠" 英文翻译 :    building underground drains
• "竹管排水暗沟" 英文翻译 :    bamboo drain
• "排水暗沟进水口" 英文翻译 :    blind inlet
• "暗管" 英文翻译 :    concealed [conduit] piping; covered conduit◇暗管排水 closed drainage; covered drain
• "暗管,暗渠" 英文翻译 :    closed conduit
• "暗管道" 英文翻译 :    closed conduit
• "暗管流" 英文翻译 :    closed conduit flow
• "暗管线" 英文翻译 :    closed conduit wiring
• "暗管连线" 英文翻译 :    conduit wiring
• "暗管系统" 英文翻译 :    conduit system
• "地面暗管道" 英文翻译 :    underfloor duct
• "横向暗管" 英文翻译 :    cross conduit
• "集水暗沟" 英文翻译 :    collecting conduit; collecting drain; infiltration gallery
• "散水暗沟" 英文翻译 :    spray drain
• "疏水暗渠" 英文翻译 :    emptying culvert
• "雨水暗渠" 英文翻译 :    stormwater culvert
• "注水暗渠" 英文翻译 :    filling culvert

• Compared with the reality , it shows that this model and its parameters are defined reasonablly . to analyse the arrangement of drainage system with different spacings and depths , with unsteady flow formula and benefit index , this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field , which can be solved by the method of projected gradient . by this model , we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21 . 5 8m , h = l . lm
  论文通过对不同埋深、间距的塑料暗管排水布局的分析，结合非稳定流公式和效益指标，提出了麦田排水暗管布局的二维非线性规划模型，并利用梯度投影法求解，得出长江下游滨海地区塑料排水暗管埋设的最优方案为埋深h = 1 . 1m ，间距s = 21 . 58m 。