挖沟

Various trenching methods and pipe geometries are used.

各种方法和管道几何挖沟使用。

Construct trenching calculation model, and give a calculating result of a realproject.

给出了挖沟计算模型，参照实际工程进行计算。

Its work principle and structure are presented. Design calculation of the vertical auger attachment, related key technologies and trenching performance of the basic machine are expatiated.

对其工作原理和结构加以介绍，阐述了"变导程"立式螺旋工作装置的设计计算、相应的关键技术和整机的挖沟工作性能。

Moving machines include, but are not limited to, bulldozers, loaders, scrapers, graders and trenching machines.

移动的机器包括，但不仅限于，推土机，装载机，铲运机，年级和挖沟机。

It may be an unrewarding lifestyle and there may be better opportunities out there, but it beats digging ditches.

它可能是一种unrewarding生活方式，到那边可能有更好的机会，但是挖沟打。

Vermeer Corporation of Pella, Iowa, U.S.A., manufactures a full line of grinders, brush chippers, stump grinders and tree spades, as well as horizontal directional drilling systems, mini skid steers, utility and track trenchers and agricultural products.

Vermeer Corporation of Pella， Iowa， U.S.A生产各种磨切机、削片机、残株磨切机和树木铁锹，以及水平定向钻进系统、迷你滑移式装载机、公用设施和轨道挖沟机和农业产品。

He made ditches in the field to draw off the water .

他在田里挖沟排水。

And he said, This is what the LORD says: Make this valley full of ditches.

他便说，耶和华如此说，你们要在这谷中满处挖沟。

And he said, Thus saith the LORD, Make this valley full of ditches.

3：16 他便说，耶和华如此说，你们要在这谷中满处挖沟。

And he said, Thus saith the LORD, Make this valley full of ditches.

3：16 他便说，***如此说，你们要在这谷中满处挖沟。

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。