insulation
举一反三
- What’s the insulation materials between each phasor overhead<br/>lines? () A: air B: insulation cover C: insulation oil D: shield wires
- insulation blanket A: 绝缘层 B: % C: @
- insulation和isolation有什么区别
- 4 your house | have | better insulation:
- According to transformer insulation and cooling methods, there are three types: 、 、 。