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空气钻井
dril.
air drilling
;
air drill
;
compressed air drilling
eng.geol.
air-drilling
;
air flush drilling
oil
compressed-air drilling
用
空气钻井
dril.
drilling with air
空气钻井:
14 phrases
in 5 subjects
Drilling
3
Earth sciences
1
Engineering geology
4
Oil / petroleum
3
Technology
3
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