例句與造句

1. This paper designs the characteristic curves and system curves for the dredging materials of the water and all kind of mixtures , which base on the theory of hydraulic dredging and the experiment data of prototype dredger , then puts out the equations of computing the work point of dredge pump system and the model that can simulate the work condition of dredging pump such as the flow rate , vacuum and pressures
   該模型根據(jù)水力疏浚原理和1750挖泥船的技術(shù)數(shù)據(jù)，設(shè)計了泥泵和管路的清水特性曲線與泥漿特性曲線，在此基礎(chǔ)上給出了泥泵工作點的計算方法。最后給出了計算泥泵工況的模型和仿真實例； 3 、絞刀電動機(jī)拖動系統(tǒng)。
2. It's difficult to find system curve in a sentence. 用system curve造句挺難的