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钻杆柱
zuàngǎnzhù
dril.
drill stem
eng.geol.
drill string
;
string
tech.
drilling shaft
;
drilling string
;
drill rod string
;
hollow rodding
;
string of drill rods
钻杆柱
:
27 phrases
in 4 subjects
Architecture
1
Drilling
3
Oil / petroleum
3
Technology
20
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