英语词汇“back-up drum”的读音、翻译、释义、用法及例句-智慧网

词汇	back-up drum
释义	back-up drumback-up drum1.■后援磁鼓
随便看	hold condition hold contract hold control hold copy hold counsel together hold court hold court trial hold depth hold different opinions holddown hold down hold down a claim hold-down bars hold down bearing hold-down bolt hold-down fixture hold-down gear hold-down grid holddown groove hold-down mechanism hold-down nut hold down plate holddown plate hold-down ring hold-down roller

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