搜索 - 科创

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不好意思各位，原帖超过了时限，无法重新编辑，只好开新帖了。全部PVC质，整流罩为60MM直径长220MM的实心PVC圆棒制作，身管为外径60MM，内径51MM的优质PVC管，耐压2.5MPA，尾翼为5...

登天-4于六月末期末考试完正式立项后，我就开始了夜以继日马不停蹄的设计和制造，说实话在两个月的时间里完成那么多工作真的很不容易，整个暑假我几乎每天重复着三件事，下课回来搞火箭，搞累了做作业，做完继续搞...

本帖最后由 718281828kc 于 2014-4-4 14:21 编辑第一个回答全部正确并说明合理理由的加40分~ 另有神秘大奖~~~ [groupid=337]化学[/groupid]

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