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to phrases
national pipe
earth.sc.
〔美国〕标准管〔螺纹〕
American
National Pipe
mech.
美制
标准管
English thesaurus
National Pipe
therm.eng., abbr.
NP
national pipe:
52 phrases
in 9 subjects
Automobiles
5
Aviation
14
Drilling
1
Earth sciences
2
General
10
Mechanic engineering
1
Mechanics
15
Oil / petroleum
1
Technology
3
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