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APPLICATION OF AN ADVANCE TECHNOLOGY ON DOUBLE SEAL SEGREGATOR FOR PRESS WATER TEST OF DEEP DRILL |
Mao Jianan |
Fivst Survey and Design Institute of MOR |
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Abstract This thesis mainly discusses the superiority,principle and operating way about the double seal segregator for press water test of deep drill?enumerates the applying case in the Qin- Iing Tunnel engineering, and suggests the application effects of the new technology in real engi- neering.
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Received: 01 May 1996
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