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。
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