金吾财讯 | 商业航天板块走高，金风科技(02208)涨6.67%，蓝思科技(06613)涨6.60%，航天控股(00031)涨5.97%，拓璞数控(07688)涨5.76%，钧达股份(02865)涨4.38%，西锐(02507)涨2.20%。据央视新闻报道，近日，由中科宇航研制的110吨级液氧煤油发动机力擎二号完成连续长程鉴定试车，全面考核了该发动机的工作可靠性，未来它将成为重复使用火箭“力箭二号”的主发动机。“长程”是指点火时长远超火箭实际飞行需求，用极限工况考核发动机的耐用性。此次试车将发动机工作时长延展至火箭实际飞行时长的3.5倍，完成了长达620秒的点火考核，其中单次点火时间400秒，刷新了该型发动机单次稳定工作时间的最高纪录。
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