บริเวณเหมืองถ่านหินเปิดแม่เมาะ The Study of Effects on Positioning Accuracy Using Real Time Kinematic Satellite Survey in Mae Moh OpenPit Coal Mine ธเนศพล บุญประกอบ1,2* และ .
RMUTL Journal Socially of Engaged Scholarship 8 Vol. 2 No. 1 January June 2016 from 6 to minutes. Reduce fuel consumption by 351,000 baht / year. The cost of fuel economy increased from % and the overall efficiency of the machine (OEE) increased from % to