When hoisting any large or heavy equipment off the catwalk always check the Working Load Limit (WLL) of the air winch, or use the travelling block or crane if available.
当从猫道上提升体积大或较重的设备时，要检查气动绞车的额定工作负荷，或使用游车或吊车(如果有)。
The right method of application and maintenance of hoisting steel rope are introduced to supply a reference for mines extending the using limit of hoisting steel rope.
介绍了提升钢丝绳的防护措施，管理方法，为煤矿合理使用和延长钢丝绳使用寿命提供了重要的参考价值。
There are project summary, compilation foundations, construction plan, hoisting management, safety measures, project time limit and emergency plan etc.
其中包括工程概况、编制依据、施工方案、吊装管理、安全措施、计划工期和应急预案等。
The integrated and compact design of hoisting motor, reducer, reel and limit switch saves space for the user.
起升电机，减速器、卷筒和起升限位开关的一体化紧凑型设计节约了用户的使用空间。
This hoisting method solves the difficulty of can not using crane for narrow site. This method reduces the limit time and acquires good economical benefit and social benefit.
本吊装方法解决了因现场狭窄汽吊无法进入的难题，又大大缩短了工期，取得了良好的经济和社会效益。
This hoisting method solves the difficulty of can not using crane for narrow site. This method reduces the limit time and acquires good economical benefit and social benefit.
本吊装方法解决了因现场狭窄汽吊无法进入的难题，又大大缩短了工期，取得了良好的经济和社会效益。
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