安装验收时很长时间都没有使用的翻译：Installation acceptance for a long time when you are using 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Installation and acceptance are not used for a long time

Installation acceptance for a long time when you are using

When installment approval the very long time all has not used

When you install a very long time and acceptance have not used

Installation acceptance for a long time when you are using