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变频变压
el.mach.
variable frequency variable voltage
;
VFW
;
VVVF
steel.
variable voltage variable frequency
变频变压
调速技术
mech.
variable voltage frequency
变频变压:
76 phrases
in 21 subjects
Air defense
5
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1
Aviation
2
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1
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1
Electric machinery
14
Electronics
7
General
5
Geophysics
3
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2
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1
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2
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5
Nuclear and fusion power
1
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3
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1
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1
Rail transport
2
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1
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17
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1
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