1) drop cut
开段沟
2) excavation of dropping-level ditch
段沟开挖
3) ditch
[英][dɪtʃ] [美][dɪtʃ]
沟;开沟
4) ditch
[英][dɪtʃ] [美][dɪtʃ]
沟渠，开沟
5) 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。
6) 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。
补充资料：十报恩 赠段先生 折段字起
【诗文】：
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫，子观天碧眼华。有三生君省悟，中无事步烟霞。
【注释】：
【出处】：
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫，子观天碧眼华。有三生君省悟，中无事步烟霞。
【注释】：
【出处】：
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