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to phrases
套管柱
tàoguǎn zhù
dril.
string
;
string of casing
el.
telescoping column
oil
casing string
tech.
borehole line
;
casing column
套管 柱
:
70 phrases
in 6 subjects
Automobiles
1
Drilling
17
Electronics
2
Mining
1
Oil / petroleum
23
Technology
26
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