overhead crane的用法和樣例：
例句
- 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。 - If the site is small, it may be commanded by a gantry crane.
假如場地小，則可採用龍門式吊車進行操作。 - One difficulty in every building for heavy industry is the arrangement of the supports for an overhead crane.
重工業的所有廠房均存在一個困難問題，即如何布置橋式吊車的支承結構。
