When this timer expires, a device is permitted to discard unclaimed Delayed Completions (refer to Section 3.3.3.3.3. and Appendix E).是什么意思_When this timer expires, a device is permitted to discard unclaimed Delayed Completions (refer to Section 3.3.3.3.3. and Appendix E).在线翻译_英语_读音_用法_例句