While the rocket is inside, technicians will remove and inspect suspected helium system components, update any faulty hardware, and perform other work. That includes replacing batteries in the flight termination system — the emergency system that can destroy the rocket if it strays off course — swapping out a seal on the line that feeds liquid oxygen into the rocket, refreshing items inside Orion, and giving the closeout crew more practice sealing the capsule.
新中国成立后，葛洲坝、三峡大坝等大型工程逐步建设，几十万宜昌人民离开故土，搬出库区。他们舍小家、为大家，重新扎根开花，就像蜡梅一样昂扬生长。
（三）在铁路、城市轨道交通线路、桥梁、隧道、涵洞处挖掘坑穴、采石取沙的；，这一点在快连下载安装中也有详细论述
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