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drilled well
agric. 钻人井; 深井
eng.geol. 钻孔
hydroel.st. 钻井
oil 完钻井
tech. 管井; 凿井;
water.res. 机井
drilled well: 12 phrases in 6 subjects
Drilling1
Electronics2
Engineering geology3
Oil / petroleum2
Sports2
Technology2