半保护图标，修改自<a href="//commons.wikimedia.org/wiki/File:Semi-protection-shackle.svg" title="File:Semi-protection-shackle.svg">Semi-protection-shackle.svg</a>
<a href="//commons.wikimedia.org/wiki/User:WQL" title="User:WQL">WQL</a>
2019-01-03
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Semi-protection-shackle.svg" title="File:Semi-protection-shackle.svg">Semi-protection-shackle.svg</a>