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约找到 339 条结果，耗时 0.155 秒
建议先在论坛上了解设计的相关知识再进行设计，尤其是关于喷燃比，扩张比的计算公式。你的设计存在的问题有：1. 喷燃比过小，可能无法建压； 2.
真空版卢瑟福发动机除了使用较高扩张比的喷管以优化真空性能之外与海平面版卢瑟福发动机完全相同。二级使用三个高压电池来驱动推进剂泵，其中两个会在电量耗尽后被抛弃以减轻质量、提高性能。
{{ resource.name || resource.oname }}
格式：{{ (resource.ext || '未知').toUpperCase() }}大小：{{ getSize(resource.size) }}
{{ resource.description || '暂无简介' }}
加载中...
{{ errorInfo }}
{{ downloadWarning }}
你在 {{ downloadTime }} 下载过当前文件。
文件名称：{{ resource.defaultFile.name }}
下载次数：{{ resource.hits }}
所需积分：{{ costScores }}，{{ holdScores }}下载当前附件免费{{ description }}
文件已丢失
当前账号的附件下载数量限制如下：
| 时段 |
个数 |
| {{f.startingTime}}点 - {{f.endTime}}点 |
{{f.fileCount}} |