“single-head draw frame”的概念、定义、翻译、参考文献-科学参考

单词	single-head draw frame
释义	single-head draw frame 单眼并条机
随便看	relay ring relay satellite relay seating relay seating time relay selector relay selsyn relay sequence relay-set relay slug relay spring relay stagger time relay ste relay storage relay switch relay switchboard relay switching circuit relay system relay tank relay television relay test set relay timing relay tip relay transmitter relay tube relay-type recorder

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