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to phrases
casing head
mech.
套管头
O&G
井口采油装置
tech.
螺旋管塞
casing-head
:
68 phrases
in 10 subjects
Automobiles
1
Business
1
Chemistry
2
Compressors
4
Construction
2
Drilling
14
Mechanics
2
Metallurgy
1
Oil / petroleum
14
Technology
27
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