开沟机

The performance of soil Lateral throwing of the rotary-cultivated ditcher is a target for judging the working quality of a ditcher.

旋耕开沟机开沟作业的横向抛土性能是衡量开沟机作业质量的重要指标。

Based on the analysis of the key components of disc ditcher, the maximum lift height of the rotary blade shaft and the minimum size of the elevating device as the objective functions were introduced to establish a nonlinear mathematical model satisfiable to multiple constraint conditions of mechanical structure and agronomic demands.

为了解决圆盘开沟机在下地、过梗、爬坡过程中出现的旋耕刀易破损、刀盘支架易变形等问题，通过对其关键部件的分析研究，以刀盘轴最大提升高度和升降装置最小尺寸为目标函数建立数学模型；用Matlab软件对其结构尺寸进行参数优化。

Base facilities greatly augment, new build steel tube big canopy 200 mus, establishment of installation sprinkling irrigation 500 mus, added apply to the small-sized agricultural machinery and implement such as machine of the rotary tillage machine that plows inside vegetable big canopy, ditcher, mist, built the vegetable workshop that pack and detect room acquired pesticide incomplete

基地设施大大扩充，新搭建钢管大棚200亩，安装喷灌设施500亩，增添了适用于在蔬菜大棚内耕作的旋耕机、开沟机、弥雾机等小型农机具，新建了蔬菜包装车间和检测室并添置了农药残

Caterpillar rock trencher will play an important role in practical pipeline laying process.

在管道施工建设中，对石方段的管沟开挖一直采用传统的爆破成沟的施工方法，而履带式岩石开沟机在管道敷设的实际应用中可以发挥重要作用。

Chain trencher ; Design method ; Chain tooth ; Sproket ; Cutting resistance

吉林大学；房恩宏链式开沟机；设计方法；链轮；链刀；切削阻力

It includes ditching and ridging machine, ditching and pipelaying machine, shovelling and slinging machine, groundlevelling machine, and other machinery for farmland capital construction.

包括开沟筑埂机、开沟铺管机、铲抛机、平地机、其他农田基本建设机械。4。种植机械。

Water pipeline ditching machine manufacturers, has many years of production history, their products on our advanced technology.

自来水管道开沟机的厂家，有多年生产历史，其产品素以工艺先进。

Hing Fat Machinery Factory is a professional design, production of agricultural machinery (light automatic farm thresher, light crane, ditching machine, Jigeng ships, etc.) manufacturers.

兴发机械厂是一家专业设计，生产各种农用机械（农用轻型自动脱粒机，轻型吊机，开沟机，机耕船等）的生产厂家。

Ditching machine and various accessories.

可要开沟机及各种配件。

The machine of Rice Rope Seeding, on the one hand, create a favorable conditions for opener working through anti-blocking boards to push rice stubble and other debris out sowing belt. On the other hand, it can finish these working, which are anti- blocking work、opening work、sowing work、banking work and compacting work in field.

种绳直播机一方面依靠防堵板将稻茬等杂物推送出播种带，为开沟器开沟作业创造良好的条件，另一方面通过播放机构顺利的将种绳播放到田地里，实现防堵、开沟、播种、覆土和整压一次完成。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。