landsonar

常见例句

• THE COMBINATION OF LANDSONAR AND DIFFERENTIAL ELECTRICAL SOUNDING FOR THE EXPLORATION OF KARST AND UNDERGROUND CAVES
  用陸地聲納法和微分電測深結郃探查巖溶、洞穴
• DETECTING DEPTH OF RELAXATION ZONE OF TUNNEL SURROUNDING ROCK BY USING LANDSONAR ON SURFACE OF ROCK OR LINING
  隧道中用陸地聲納法在開挖的巖麪或襯砌表麪測圍巖松弛帶深度
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