当无法确定载荷的准确重量或对人员存在危险时，使用大于安全工作负荷的钢丝绳。
Use a wire sling of a greater S. W. L whenever the exact weight of the load is unknown or there is a hazard to personnel.
但由于矿用带式输送机工作环境恶劣，载荷分布不均、载荷波动大等特点，所以在使用维护方面又具有其特殊性。
However, due to poor working conditions for mine belt conveyor, the uneven load distribution, load fluctuation features, it has its particularity in the process of using and maintenance.
使用绞盘前请仔细确认当前绞盘的工作任务是克服载荷还是滚动载荷。
This requires greater pulling capacity since the winch will have to overcome the friction of the surface as well as the load it self.
由于连续油管在周期性的疲劳载荷作用下进行工作，很容易因疲劳损伤而造成连续油管失效，导致连续油管使用寿命大大缩短。
The coiled tubing in a cyclical fatigue loads to work, it is susceptible to fatigue damage caused by a continuous failure, result in shorten life of a coiled tubing.
由于连续油管在周期性的疲劳载荷作用下进行工作，很容易因疲劳损伤而造成连续油管失效，导致连续油管使用寿命大大缩短。
The coiled tubing in a cyclical fatigue loads to work, it is susceptible to fatigue damage caused by a continuous failure, result in shorten life of a coiled tubing.
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