| 3. | It has excellent features such as reasonable design , advanced technology , short dropping distance , small impact force , stable lock , high safety coefficient , convenient use , small volume , light weight , non - conduction of electricity and so on . it can effectively eliminate the default unwilling use by workers due to over - heavy weight 具有设计合理工艺先进下坠距离短冲动力小锁止稳定安全系数高使用方便体积小质量轻不导电等诸优点,有效地解决了因质量过重操作工人不愿使用的弊端。 |