portable crane的用法和樣例：
例句
- 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。
portable crane的相關資料：
臨近單詞
Portable EEG
portable
portable compression chamber
portable life support system
Portable Wear Metal Analyzer
portable rotation viscometer
portable X- ray imagescope
portable nozzle blast system
portable recorder-receiver
portable language laboratory
portable welding transformer
portable television receiver
