大家在查：社会社团 4.8万第1973 pinacol exemplifying P.0001 stickto retted 唐乐昌黑山诗学

黑沟

黑沟

黑沟

1

Big black ditch, Buffalo Gap, Bay of ash and seven donkeys to a total of four sites Yanke Group of 55 pictures, 300 pieces of photos.

大黑沟、野牛沟、灰湾子和七个驴四处岩刻遗址共发现画面 55 组，图象 300 多幅。

2

West includes pole hill and Ma Yashan, size and size of ring groove side ditch ;

西部包括灯杆山与马牙山、大小黑沟与大小面场子沟；

3

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

4

Application of the method of waterproof and preventingleakage to handling crack and leakage of the Heigou tunnel

防水堵漏法在黑沟隧道裂缝漏水整治中的应用

5

Chamber Blasting for Stone Exploitation in Hei-gou

黑沟主堆上坝料开采硐室爆破

6

Stability of quaternary diluvium of Heigou mining zone

黑沟矿区第四纪坡积层稳定性分析

7

Analysis on Vibration of Wind Load for Heigou Bridge

黑沟大桥风荷载振动分析

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