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to phrases
极化继电器
jíhuà jìdiànqì
el.
polarity-directional relay
hydroel.st.
electro polarized relay
IT
electropolarized relay
;
polarized relay
met.
directional relay
PSP
polarized
elementary
relay
tech.
neutral relay
telecom.
biased relay
极化继 电 器:
17 phrases
in 6 subjects
Air defense
1
Communications
1
Electronics
6
Hydroelectric power stations
3
Power system protection
2
Technology
4
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