landsonar

常见例句

• THE COMBINATION OF LANDSONAR AND DIFFERENTIAL ELECTRICAL SOUNDING FOR THE EXPLORATION OF KARST AND UNDERGROUND CAVES
  用陆地声纳法和微分电测深结合探查岩溶、洞穴
• DETECTING DEPTH OF RELAXATION ZONE OF TUNNEL SURROUNDING ROCK BY USING LANDSONAR ON SURFACE OF ROCK OR LINING
  隧道中用陆地声纳法在开挖的岩面或衬砌表面测围岩松弛带深度
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