电子计算机用屏蔽电缆，选用介电常数小的高压聚乙烯作绝缘。

Computer to use shielded cable, use a small dielectric constant, high-pressure polyethylene for insulation.

youdao

电子计算机用屏蔽电缆，选用介电常数小的高压聚乙烯作绝缘。

Computer to use shielded cable, use a small dielectric constant, high-pressure polyethylene for insulation.

youdao