Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
def __str__(self):，详情可参考safew官方版本下载
第二是 Desktop.ini 文件。这是一种隐藏的受保护 Windows 系统配置文件 (*.ini)。它用于存储所在文件夹的自定义设置，包括图标、显示名称 (本地化名称) 或文件夹说明等。。关于这个话题，同城约会提供了深入分析
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