Scheduled Truck Service的用法和樣例：
例句
- Sidel relies on skills transfer to help customers become self-sufficient in handling their scheduled maintenance work.
西得樂依靠技能轉移，以幫助客戶實現自給自足在處理他們的定期保養工作。 - Household electric appliances purchased here are guaranteed with 3 years' after-sale service.
凡購買本商場家用電器，為您提供三年免費保養服務。
