Do you have an extended warranty?

你们有长期的质量保证吗？

辞典例句

We have an extended warranty available at extra cost.

对于额外价钱我们有较长的保证期限.

互联网

Also think twice about extended warranty.

此外你还需要认真考虑延长保证期.

互联网

One year warranty, three year extended warranty available.

一年保修, 三年延长保修期.

互联网

Well, we offer an extended warranty and service contract for a reasonable charge.

这个, 我们以合理的收费提供延期保用和服务合同.

互联网