1) ditch
[英][dɪtʃ] [美][dɪtʃ]
沟;开沟
2) ditch
[英][dɪtʃ] [美][dɪtʃ]
沟渠，开沟
3) ditching
[英][ditʃ] [美][dɪtʃ]
开沟
1.
And the kinematics analysis was made on the process of ditching and cutting of the ditcher which worked in the same direction of traction.
稻茬田开沟是南方冬闲田大面积推广油菜种植的重要一环,该文采用旋耕弯刀S245作为开沟的主要部件,设计了稻茬田油菜免耕播种机开沟部件结构,并对以顺铣方式工作的开沟切削抛土过程进行运动学分析,建立了旋耕弯刀横向抛土的数学模型,并用matlab7。
2.
The working methods and principles of the ditching machine coming from home and abroad are analyzed and compared in this paper.
本文分析比较了国内外开沟机械的工作方法和原理，结合我国南方现有油菜种植方式及现有小型旋耕机大量使用的现状，比较了前置和后置式开沟方式的优缺点，采用后置式开沟方式设计圆盘式开沟部件，实现油菜种植机械化开沟和覆土。
4) ditch
[英][dɪtʃ] [美][dɪtʃ]
开沟
1.
Design of Harvest Ditch and Stalk-disposing Machine
稻麦联合收获开沟埋草多功能一体机设计
2.
Field studies were conducted to evaluate the effects of agronomic practices such as rice straw mulches, planting density and ditch depth on control of rape weeds.
研究了稻草覆盖、增加作物种植密度及开沟深度等农作措施对油菜田杂草的控制作用。
3.
The ditching machine is the special engineering equipment in the crag earth final assembly construction, which is widely used for continual ditching operation in engineering construction such as communication electric cable, petroleum pipe line, irrigation and water conservation as well as military.
本文依据大庆石油管理局委托“立式螺旋开沟机研制”项目,对立式螺旋开沟机进行研究。
5) ditch
[英][dɪtʃ] [美][dɪtʃ]
沟
1.
The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.
对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法,从而提高了离散化网络的计算精度,并可简化取代三维问题为二维。
6) exterior gradual ditch
渐进开沟
1.
Aiming these characteristics,the means of exterior gradual ditching and active drainage(EGD&AD), from part to whole,shallow to deep,and by stages to ditch,were used.
针对无锡太湖五里湖地区降雨量较大,环保疏浚堆场底泥粘性强,渗透系数小,自然干化过程缓慢的特性,采用从局部到整体,由浅入深,分期分阶段,表面渐进开沟主动排水的方法,并对开沟后不同情况下堆场干化过程进行研究,分析不同沟渠系统对堆场底泥干化的影响。
补充资料：沟渠
为灌溉或排水而挖的水道的统称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条