礦石機 kuàngshíjī crystal radio Definitions Defs Origin Strokes Stroke Words Sentences Sents 矿石机 礦石機 kuàngshíjī crystal radio early type of radio receiver that uses a crystal diode as a detector and does not require an external power source Cross-References Synonym 矿石收音机 kuàngshíshōuyīnjī
矿石机 礦石機 kuàngshíjī crystal radio early type of radio receiver that uses a crystal diode as a detector and does not require an external power source Cross-References Synonym 矿石收音机 kuàngshíshōuyīnjī
