written warranty是什么意思 written warranty怎么读
written warranty的用法和样例
- The product comes with the instruction manual and warranty.
内附产品说明书与保证书。 - Do not change any configuration or settings on a guest's computer unless you have their written approval on a liability waiver form.
除非签下了书面的权利保证书，否则不要改变客人电脑的配置或设置。
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