本出版物中包含的规范和信息适用于使用运行中小车式起重机（专利轨道除外）的顶部运行和运行中单梁电动桥式起重机。应理解，本规范为一般性规范，买方和制造商可就其他规范达成一致，以适合每种特定安装。

The specifications and information contained in this publication apply to top running and under running single girder electric overhead traveling cranes utilizing under running trolley hoist except patented track. It should be understood that the specifications are general in nature and other specifications may be agreed upon between the purchaser and the manufacturer to suit each specific installation.