Resources & Industries ›› 2009, Vol. 11 ›› Issue (4): 96-98.
• RESOURCES ENVIROMENT • Previous Articles Next Articles
XU Wen-jin, LI Chang-long, MA Zhen-wu
(No.4 Geosurvey, Gansu Bureau of Geological Exploration, Jiuquan 735000, China)
(甘肃省地勘局第四地勘院,甘肃 酒泉 735000)