进线口设有专用电缆引入装置，密封性能良好，可直接电缆布线；
Enter line mouth is provided with a special cable introducing device, good sealing performance, can be directly cable wiring;
合理地选择隔爆型电气设备的电缆引入装置，对于保证隔爆型电气设备整体防爆安全十分重要。
It is very important that ensures the integral explosion protection safety for the flameproof electrical apparatus by selecting reasonably the cable entry.
根据实际工作经验，在系统地分析潜水电泵电缆引入密封装置使用寿命短的影响因素基础上，对其作了结构改进。
According to practical experience, the paper systematically analyses some factors affecting the life of the cable entry sealed device, and then makes some construal improvements.
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