conducting-core heterofilament

例句：

1. 1. The conducting core of thecable is crucial for its functionality.
   电缆的导电核心对其功能至关重要。
2. 2. Theheterofilament wasused to create a unique patternon the fabric.
   异丝被用来在织物上创造出独特的图案。
3. 3. The engineerdesigned the heterofilament to withstand high temperatures and pressures.
   工程师设计了这种异丝，以承受高温和高压。