隔离绝缘层和外护层以及内衬层，以防它们之间相互粘结而影响电缆的机械、物理、电性能等。
To separate the insulation, sheath and inner covering, and keep them from bonding and affecting the mechanical, physical and electrical properties of the cable.
隔离绝缘层和外护层以及内衬层，以防它们之间相互粘结而影响电缆的机械、物理、电性能等。
To separate the insulation, sheath and inner covering, and keep them from bonding and affecting the mechanical, physical and electrical properties of the cable.
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