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开泵
dril.	pumping
mining.	putting on pump
oil	putting on the pump

开泵: 27 phrases in 12 subjects

Agriculture	1
Automobiles	3
Aviation	1
Chemistry	1
Drilling	1
Engineering geology	2
General	1
Hydroelectric power stations	1
Mining	1
Oil / petroleum	3
Shipbuilding	1
Technology	11