physically-foamed insulation

• 物理发泡绝缘

physically-foamed insulation的用法和样例：

例句

1. This is particularly true with high-frequency spark testers that should not be used with foamed insulation.
   因此高频火花机不被应用于发泡绝缘是非常正确的。
2. Our corporation has the leading manufactory technique of broadband and low VSWR for the PE foamed insulated coaxial cables.
   公司具有领先的聚乙烯发泡绝缘同轴电缆的宽频低驻波比制造技术。