scraper bucket的用法和樣例：
例句
- Approach to DesignProcedure of Bucket.
鏟斗設計方法探討。 - If the trajectory is followed by the bucket, the LHD system can only consume minim energy and get higher efficiency in the same time.
鏟斗跟隨此軌跡，系統消耗能量最小，生產效率更高。 - The workers are using the grab bucket to transport concrete.
工人們正在使用抓鬥運輸混凝土。
