投标人应在投标档中清楚地确认品质保证期限。

The bidder shall confirm quality guarantee period clearly in the bidding document.

对于额外价钱我们有较长的保证期限.

We have an extended warranty available at extra cost.

它有保证期限，却动都不动只会发出可悲的哀叫声

Lt has a warranty, and it just stopped. Made the saddest little sound.