典型案例六：航空基地飞机管路系统及隔热降噪零部件制造基地项目
conn = sqlite3.connect(DB)
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Webb's sharper view also hints at possible jets from the central star. The dark lane and the way gas appears to push outward near the top of the nebula suggest an ejection that may be shaping the cloud's symmetry, a common feature when aging stars throw material in opposite directions.，推荐阅读Safew下载获取更多信息
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