major groove

Role and significance of geochemical exploration in the discovery of the Dayangshugou molybdenum deposit, Liaoning;

化探在辽宁大杨树沟钼矿发现中的作用与意义

Studies on Mineral Elements for Cultivated Rheum in Daheigou, Qinghai Province;

青海省大黑沟种植大黄中矿物质元素研究

The small-scaled Wangjiadagou gold deposit,which was discovered in Qingyuan County,Liaoning Province in the end of last century,occurs in the intersection of northeast-trending Hunhe fault and northwest-trending Suzihe fault.

王家大沟金矿是上世纪末期在辽宁省清原县境内发现的一处小型金矿床。

Middle and low grade metamorphic rocks , consisting of metaclastics and carbonate rocks intercalated with basic volcanic rocks, in Dashuigou yield abundant Silurian algal fossils, which provide the base for stratigraphic division and age determination.

在大水沟一带的中浅变质碎屑岩、碳酸盐岩夹基性火山岩地层中，获得较丰富的志留纪球藻类化石，为划分地层和讨论时代归属提供了依据。

GEOLOGICAL CHARACTERISTICS OF DASHUIGOU TELLURIUM ORE DEPOSIT IN SHIMIAN COUNTY,SICHUAN PROVINCE, CHINA

四川石棉县大水沟独立碲矿床地质特征

leap a gate, puddle, ditch, etc

跳过大门、 水洼、 壕沟等.

A drainage passage, as to a culvert.

排水沟排水通道，如阴沟

They dug channels to bring in water from the Grand Canal to irrigate the rice fields.

他们挖掘沟渠从大运河引水灌溉稻田。

Pubugou Hydropower Project and Dadu River in Development

瀑布沟水电项目和大渡河开发(英文)

Overall Treatment Method Study of Wastewater in Dalugou Oil Gathering Station

大路沟集输站污水综合处理方法研究

Shape optimization test of Dabeigou spillway reservior desilting tunnel

大北沟水库泄洪排沙洞体型优化试验

Drilling Technology for Shallow Horizontal Well in Chaoyanggou Oilfield of Daqing

大庆朝阳沟油田浅层水平井钻井技术

ridge of gutter

(天沟高点) 天沟分水线

A gutter or groove in a roof.

排水天沟屋顶的槽或沟

Based on the remote sensing and monitoring to the two small gullies in Zhifang vally of Ansai county and Longwang vally of Tianshui, a lot of data and better resulls were obtained.

该文通过安塞纸纺沟和天水龙王沟内两条小冲沟的地面遥感监测,取得大量资料与较好的结果。

Davy was afraid to shoot his dogs, so he jumped into the ditch.

大卫怕射到他的狗，于是他也跳进水沟里。

And he stood by the conduit of the upper pool in the highway of the fuller's field.

他就站在上池的水沟旁，在漂布地的大路上。

Surrounding Rock Mass Classification of Underground Power House at Pubugou Hydroelectric Power Station on Dadu River;

大渡河瀑布沟水电站地下厂房围岩分类研究

Benefit of the Treatment to the Soil and Water Erosion in Dadonggou Small Basin in Keshiketeng County

克什克腾大东沟小流域水土流失治理效益分析

Analysis of seepage and stability for main dam of Gaoqiaogou reservoir

房县高桥沟水库大坝渗流和稳定性分析

Analysis on construction monitoring of gravel-soil core of rock fill dam of Pubugou Hydropower Station

瀑布沟水电站大坝砾石土心墙施工监测分析

On Construction of Rainfall Pipeline with Deep Trench, Big-diameter in the Pile Group of Waste Old Building

废弃老建筑群桩内深沟槽大管径雨水管道施工