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- For the usage of the spade soil opener in a punch planter the precision metering device with declined scoop-type disc was selected for maize seeds. 为与铲式成穴器的结构特点相适应,选择倾斜圆盘勺式玉米精密排种器作为打穴播种机的排种机构。
- Abstract: Based on the working principle the adjusting range of construction and working p arameters were determined for the design of a spade soil opener for a punch pla nter. 文摘:根据铲式成穴器的成穴机理确定了其结构参数和工作参数的设计变化范围,并按照二次回归试验设计方法进行了成穴器参数对成穴性能影响的试验。
- Abstract: For the usage of the spade soil opener in a punch planter the precision metering device with declined scoop-type disc was selected for maize seeds. 文摘:为与铲式成穴器的结构特点相适应,选择倾斜圆盘勺式玉米精密排种器作为打穴播种机的排种机构。
- Based on the working principle the adjusting range of construction and working p arameters were determined for the design of a spade soil opener for a punch pla nter. 根据铲式成穴器的成穴机理确定了其结构参数和工作参数的设计变化范围,并按照二次回归试验设计方法进行了成穴器参数对成穴性能影响的试验。
- On the basis of analyzing the construction characteristics and the working proce ss of a revolving spade soil opener a mathematical model was established to desc ribe spade moving trace. 在分析铲式成穴器的结构特点和工作过程的基础上,建立了打穴铲运动轨迹的数学模型并分析了打穴铲的运动规律和成穴机理。
- Abstract: On the basis of analyzing the construction characteristics and the working proce ss of a revolving spade soil opener a mathematical model was established to desc ribe spade moving trace. 文摘:在分析铲式成穴器的结构特点和工作过程的基础上,建立了打穴铲运动轨迹的数学模型并分析了打穴铲的运动规律和成穴机理。
- Computer Aided Analysis on Working Process of A Spade Soil Opener 铲式成穴器工作过程的计算机辅助分析
- AN EXPERIMENTAL STUDY ON THE INFLUENCES OF PARAMETERS OF SPADE SOIL OPENER ON WORKING QUALITY 铲式成穴器成穴性能的试验研究
- THEORETICAL ANALYSIS OF THE WORKING PRINCIPLE AND PARAMETER INFLUENCES OF A SPADE SOIL OPENER 铲式成穴器成穴机理及影响因素的分析
- Study on Neural Network Application in Punch Length Experiment of Spade Soil Opener 神经网络在铲式成穴器穴孔长度试验中的应用
- spade soil opener 铲式成穴器
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- It's hard to work this soil with such an old spade. 用这样一把旧铁锹挖地真费劲。
- He was digging potatoes with a spade. 他正在用铁锹挖马铃薯。
- He's not afraid to call a spade a spade. 他不怕直言不讳。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- He evened out the soil with a spade. 他用锹把土铲平。
- There are a lot of worms in the soil. 泥土中有许多蠕虫。