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表层套管
biǎocéng tàoguǎn
dril.
soil pipe
;
anchor string
;
surface pipe
eng.geol.
conductor pipe
;
external casing
met.
surface casing
oil
surface string
tech.
collar piping
;
conductor casing
表层 套管
:
11 phrases
in 4 subjects
Drilling
4
Earth sciences
2
Oil / petroleum
1
Technology
4
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