Graded insulation
[电] 层级绝缘
🧩 词语组成解析
a. 分等级的；按年级分的
insulation
[ˌinsju'leiʃən]
n. 隔离，孤立;绝缘;绝缘或隔热的材料;隔声;
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
The busiest men find (or have) the most leisure (or time).
最忙的人时间最多。
Bleriot had been making planes since 1905 and this was his lattes model.
布莱里奥从1905年起便开始研制飞机，“11号”飞机是他制作的最新型号。