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微场电机放大器 | |
el.mach. | amplidyne |
调节装置 | |
compr. | governor gear |
met. | actuating device; adjusting gear; control apparatus; regulating apparatus; regulator |
oil | control ling device; regulating device |
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amplidyne | |||
amplifier dyne |
微场电机放大器 : 2 phrases in 1 subject |
Electric machinery | 2 |