drain ditch 中文意思是什麼
drain ditch
解釋
排水溝-
At the same time 7794m3 affusion test were processed, and roadbed settlement observation conducted for two more year, physical mechanism and chemical index experiment were analyzed in the laboratory, section experiment of earth sample was proceed, changement of compacted soil body micromechanism along with depth were analysed by polariscope and scan electricscope. drain ditch, barrel - drain and little bridge were treated by composite geotextile
在室內進行了物理力學、化學指標實驗分析，並對土樣結構進行了切片試驗，用偏光顯微鏡和掃描電鏡分析了土壤碾壓后沿深度分佈的土體微觀結構變化情況，對邊坡、邊溝、排水溝、小橋涵及護坡封水採用復合土工布進行處理。 -
The alteration procedure of the underground water level is simulated under drizzle and storm rainfall conditions respectively adopting the coupling fem analysis program of surface flow and subsurface flow. the numerical simulation of the underground water level shows that the drain ditch installed over the slope does not have an notable effect on the underground water level
利用降雨條件下地表水入滲和產流耦合的計算程序，模擬了小降雨強度和大雨強度對地下水位變化的影響，並用數值計算給出了地表排水溝對地下水變化的影響不是很顯著的結論。
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