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自动频率控制 | |
hydroel.st. | automatic frequency control |
回路 | |
avia. | close loop; outline |
dril. | return passage |
eng.geol. | return |
hydroel.st. | loop; circuit; return circuit |
met. | chain |
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automatic frequency control | |||
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automatic frequency control |
自动频率控制: 43 phrases in 14 subjects |