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gen.
preamplification
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管
管
gen.
supervise
cycl.
tube
environ.
pipe
manag.
reel
met.
tubing
oil transp.
pipe
space
tubing
tech.
pipe
to phrases
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放大
gen.
preamplification
前置放大
qiánzhì fàngdà
oil
preamplification
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:
66 phrases
in 18 subjects
Air defense
4
Automobiles
2
Aviation
4
Business
1
Communications
1
Earth sciences
1
Electronics
6
General
4
Geophysics
1
Information technology
1
Nuclear physics
1
Oil / petroleum
5
Radio
1
Shipbuilding
1
Space
5
Sports
1
Technology
24
Telecommunications
3
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