大多数工厂在主要设备的上方装有单轨起重机，以便当设备损坏时迅速修理。
Most plants are equipped with monorail hoist over major equipment to facilitate speedy repair in the event of failure.
手动单梁起重机系由桥梁，大车传动机构，手动单轨行车等主要部分组成。
Manual Single-beam crane is configured by crane span structure, cart driving device and manual monorail car and other major parts.
手动单梁起重机系由桥梁，大车传动机构，手动单轨行车等主要部分组成。
Manual Single-beam crane is configured by crane span structure, cart driving device and manual monorail car and other major parts.
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