1.
The Research on Population Carrying Capacity of Mountain Ecosystem--A Case Study of Long Dong Gou Watershed in Mao County
山地生态系统人口容量研究——以茂县龙洞沟流域为例
2.
The paper took Longdong gou in Mao county as a research sample and make conclusions by analyzing and sampling:
在实践方面，论文以茂县龙洞沟流域为例，通过实地采样分析得出以下结论：
3.
The Research on Mountain Disasters' Impact on Water Quality in Drought Valley Areas of Minjiang River's Upper Stream--A Case Study of Longdong Gou Valley in Mao County;
岷江上游干旱河谷带山地灾害对水质影响研究——以茂县龙洞沟流域为例
4.
elephant dugout
【军】大壕沟, 大防空洞
5.
The channel or conduit for such a sewer or drain.
涵洞管道涵洞的沟渠或引水道
6.
Chengdu to the Kalong ditch 310 kilometers, the Kalong ditch to amounts to the ancient glacier 112 kilometers.
成都至卡龙沟310公里，卡龙沟至达古冰川112公里。
7.
Dragon born dragon, chicken born chicken, mouse son can make hole!!
龙胜龙，凤生凤，老鼠的儿子回打洞。
8.
Like beget like.
龙生龙，凤生凤，老鼠生儿打地洞。
9.
a machine or implement for planting seeds in holes or furrows.
用以在洞或犁沟中播种的机器或设备.
10.
For multiple caves there is that complex of caves at Hermit's Hill that communicate with each other, making it impossible to say how many caves there indeed are.
多的如隐山诸洞，相互沟通，数也数不清。
11.
Yushan No.2112 Tomb in the Donggou Burial Groups,Jian;
集安洞沟古墓群禹山墓区2112号墓
12.
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
13.
Soil-structure interaction of unsymmetrical trench installation culvert
非对称沟埋式涵洞涵-土作用机理(英文)
14.
Approach to Estimation about Huangpugong Cave and Lu Cave of Longman Grottoes;
龙门石窟皇甫公洞及路洞渗水病害初析
15.
Because it is connected to the Dragon Canal, it got the name Longtan( Dragon Lake).
因与龙须沟形成首尾之势，故取名龙潭湖。
16.
The Research on Community Participation in Rural Tourism Development of Longtan Valley in Nanyang;
南阳龙潭沟乡村旅游的社区参与研究
17.
Experimental Study on Pellet Production with Siderite of Daxigou Longmen Iron and Steel Factory;
龙钢大西沟菱铁矿生产球团试验研究
18.
On Protection of Travertine Landscape in the Jiuzhai Valley and Huanglong Scenic Spots;
四川九寨沟、黄龙钙华景观保护研究