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to phrases
封隔器
fēnggéqì
dril.
pack-off
mining.
packer
tech.
excluder
;
packer-plug
斯伦贝谢公司
PT 封隔器
mining.
Positest packer
封隔 器
:
367 phrases
in 9 subjects
Drilling
80
Earth sciences
2
Engineering geology
3
General
1
Geophysics
1
Mechanics
5
Mining
44
Oil / petroleum
164
Technology
67
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