travelling crane的用法和樣例：
例句
用作名詞 (n.)
- Manual Single-beam Crane is configured by crane span structure, cart driving device and manual monorail car and other major parts.
手動單梁起重機系由橋樑，大車傳動機構，手動單軌行車等主要部分組成，大車行車及貨物起重均用手拉鏈條驅動。 - This machine is called Bridge Gantry Crane.
這種機器叫路橋門式起重機。 - It provides a theoretical basis for super-low headroom large tonnage overhead traveling crane development.
為柔性化設計理念提供了有力的支持，同時為超低凈空大噸位橋式起重機的成功研製奠定了理論基礎。
