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南朝鲜地质调查所的地质学家们于1969年所进行的三次航海中对朝鲜西南海域、黄海的海底沉积物采了样。号(380吨)调查船从1969年5月10日开始历经10天用采泥器和取样管取了13处样。第一个航次,承担了底质取样,温度测量和用于测盐量的水样的采取。3号测点用采泥器未抓到海底沉积物。使用《新野型》取样管在海底钻孔试验,在朝鲜是初次。在13个测点采了样,4、5、6、7和8号测点未取到土柱;2、3、10号测
Geologists from the South Korea Institute of Geological Survey sampled the seabed sediments of the Southwest North Korea and the Yellow Sea in three sea voyages conducted in 1969. (380 tons) survey ship from May 10, 1969 after 10 days with the dredging device and the sampling tube took 13 samples. The first voyage, taking the sediment sampling, temperature measurement and the water used to measure the amount of salt taken. No. 3 measuring point with the dredger did not catch the seabed sediment. The use of “new wild type” sampling pipe in the sea drilling test, the first time in North Korea. Taken at 13 measuring points, 4,5,6,7 and 8 measuring points have not been taken earth columns; 2,3,10 measurements