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漏失层 lòushīcéng
dril. lost circulation zone; leakage zone; weak formation
oil lost-circulation zone; thief zone
漏失层【带】 lòushīcéng
dril. lost-circulation zone
漏失层
: 19 phrases in 6 subjects
Desert science1
Drilling11
Engineering geology1
Mining2
Oil / petroleum3
Technology1