chrome://extensions/shortcuts 打开这个看看
用这个扩展 (组件)
Keyboard Shortcuts to Close Other/Right Tabs
Keyboard Shortcuts to Close Other/Right Tabs
Note: you must use the Chrome Beta channel or later for the plugin to work.
The extension consists of three keyboard shortcuts:
* Alt-Shift-O: Close Other Tabs
* Alt-Shift-R: Close Tabs to the Right
* Alt-Shift-P: Pin Tab
Note: A separate extension, tabloid, adds the following shortcuts to Chrome
* Move Tab Right
* Move Tab Left
* Move Tab to First Position
* Move Tab to Last Position
来自 https://chrome.google.com/webstore/detail/keyboard-shortcuts-to-clo/dkoadhojigekhckndaehenfbhcgfeepl