1.
Changes of certain vasoactive endothelical substance in drillers of iron mine;
铁矿掘进工某些血管内皮活性物质的变化
2.
Rapid Tunneling Technology for Semi-coal Rock Tunnel in Sitai Coal Mine
四台矿半煤岩巷道快速掘进工艺技术
3.
Analysis on delayed silicosis in tunnelling workers stopped exposure to dust at a certain sulphur mine
某硫磺矿井下掘进工离岗后晚发型矽肺分析
4.
Study on Mechanical Behavior of Metro Tunnel Construction by Tunnelling Machine in Weak-Broken Surrounding Rock
软弱破碎围岩地铁隧道掘进机施工力学研究
5.
Research on Construction Mechanics and Ground Surface Settlement in Turn-Round Track Metro by Tunnelling Machine
地铁折返线段掘进机施工力学及地表沉降研究
6.
THE PROBLEMS AND IMPROVEMENTS OF THE PURCHASED IRON ORES SAMPLING/PREPARING IN XIANGANG;
湘钢铁矿石入厂取、制样工作的改进
7.
Review and Looking Forward to Process Imported Iron Ore in Shandong;
山东省铁矿石来(进)料加工回顾与展望
8.
Status and improvement measures of technological process for increasing Fe & decreasing SiO_2 in concentrates
歪头山铁矿提铁降硅工艺现状及改进措施
9.
Study on Measures Improvement of Extraction Sealing Process in Hanger Ear Drill Site of Driving Tunnel in Sijiazhuang Coal Mine of Yangquan Coal Industrial Group
阳煤集团寺家庄矿掘进巷挂耳钻场封孔工艺改进措施研究
10.
MAIN TUNNEL ENGINEERING OF LIMESTONG MINERAL AREA OF XIALING IN NANJING DIGS INTO AND PROTECTS THE CONSTRUCTION TECHNIQUE
南靖下岭大理岩矿区主巷道工程掘进与支护施工技术
11.
Application of Boom - type Roadheaders in the Construction of Subway Tunnels
悬臂式掘进机在地铁工程暗挖隧道施工中的应用
12.
Improving on the production process of SSP from phosphate rock with high iron and aluminum contents
高铁铝磷矿制过磷酸钙生产工艺的改进
13.
The Design and Construction of the Entrance to Subway Mined Tunnel from Deep Foundation Pit
明挖基坑内地铁矿山法隧道进洞的设计与施工
14.
As the drift in Tuoshan work area of Jinzhushan Coal Mine was flooded while drifting, it was needed to block the water by grouting.
金竹山煤矿托山工区巷道在掘进中被水淹没,需灌浆堵水;
15.
extracting machine for earth minerals or ores, self propelled
土壤、矿物或矿石挖掘机,自动推进式
16.
extracting machine for earth minerals or ores, not self-propelled
土壤、矿物或矿石采掘机,非自动推进式
17.
excavating machine, for earth minerals or ores, not self-propelled
土、矿物或矿石挖掘机,非自动推进式
18.
Technological Research and Discussion on Erection of Metro Tunnel Boring Machine Up and Down in Shaft Well
地铁隧道盾构掘进机上、下井吊装工艺的研究与探讨