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to phrases
наблюдательная скважинаstresses
gen. 观察礼
O&G, oilfield. 观察井观察油压变化井
tech. 观测井; 观察井; 观察孔观测钻孔; 观测钻孔; 观察孔
наблюдательная скважина
: 2 phrases in 1 subject
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