The structure of pipe is thin inner plastic layer and thick outer plastic layer, easy to join with hot-melt pipe fitting.
2
恢复送电时，先将转动连片闭合，取下熔管换上熔丝，将熔管复位即可。
Resuming power supply only includes closing the rotary link piece, taking off the fusion tube, replacing a fuse and then returning the fusion tube.
3
此外，“O”型密封圈以及金属帽与熔管之间填设有粘合剂层共同形成了熔断器的双重密封。
Furthermore, the double seal of the fuse is formed in common by the 'o' shaped sealing ring and an adhesives layer filled between the metal cap and the fuse tube.
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