词汇“rocketry”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	rocketry
释义	rocketryrocketry[ˈrɔkitri]n.1.■火箭学[技术, 研究]2.■火箭(总称)
随便看	dual-and fertilizer boot dual auto-alternate sweep dual-automatic dual automorphism dualayer solution dual-azimuth indicator dual ball check valve dualbeam dual beam dual-beam oscilloscope dual-beam synchroscope dual broadcasting dual burner dual card dual carriage dual cast cylinder dual category dual cell complex dual-chain bench dual chamber furnace dual chamber incinerator dual-channel amplifier dual channel audio dual channel device dual-channel oscilloscope

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