PDF(268 KB)
APPLICATION OF AN ADVANCE TECHNOLOGY ON DOUBLE SEAL SEGREGATOR FOR PRESS WATER TEST OF DEEP DRILL
Mao Jianan
Journal of Railway Engineering Society ›› 1996, Vol. 13 ›› Issue (3) : 96-100.
PDF(268 KB)
PDF(268 KB)
APPLICATION OF AN ADVANCE TECHNOLOGY ON DOUBLE SEAL SEGREGATOR FOR PRESS WATER TEST OF DEEP DRILL
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