• ÀÏ ½Ã : 2011³â 12¿ù 15ÀÏ 11½Ã
  • Àå ¼Ò : µ¿¼­´ëÇб³ IAI¿¬±¸¼Ò NM801


  • 11:00~
    Direction Control of Drilling Hole
    Prof. Chen Bao Yi, College of Construction Engineering, Jilin University


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