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工 频 | |
met. | power frequency |
railw. | commercial frequency |
工频 | |
auto. | power frequency |
IT | mains frequency |
met. | line-frequency |
oil | industrial frequency |
therm.energ. | mains frequency |
交流 | |
gen. | communicate; interexchange |
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mains frequency | |||
line-frequency | |||
industrial frequency | |||
line frequency; power frequency | |||
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commercial frequency | |||
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power frequency | |||
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power frequency | |||
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mains frequency in electroheat |
工频 : 203 phrases in 34 subjects |