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to phrases
gravel pack
eng.geol.
填砾
;
砾石填料
mining.
砾石充填
tech.
砾石填料层
;
砾石填充层
gravel pack
:
59 phrases
in 6 subjects
Drilling
3
Geophysics
2
Mining
6
Oil / petroleum
41
Rail transport
1
Technology
6
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