magnetic insulator的用法和样例：
例句
- The electric fields far away from the insulator and near the insulator were calcu-lated separately.
对封闭母线中存在空间电荷时远离绝缘子处的电场和绝缘子周围区域的电场进行了计算。 - Strut porcelain insulator inspecting technique and life management technique is the study issue of electric power industry at present.
支柱瓷绝缘子检测技术及寿命管理技术是目前电力行业研究的课题。
