extended warranty的用法和樣例：
例句
- The quality guarantee period is divided into the normal guarantee period and the extended guarantee period for the principle components.
質(zhì)量保證期分為正常質(zhì)量保證期和主要部件的延長(cháng)質(zhì)量保證期。 - The warranty period shall be 12 months counting from the date on which the buyer, the end-user and the seller sign the Certificate of Final Acceptance of the Contract Goods.
保證期自買(mǎi)方，最終用戶(hù)和賣(mài)方簽署合同貨物最終驗收證書(shū)之日起十二個(gè)月。
