structural units是什么意思 structural units怎么读
structural units的用法和样例
- A structural unit employed in cable, consisting of four separately insulated conductors twisted together.
电缆使用的一种结构形式,它由四根各自绝缘的导线相互绞合而成。 - A structural unit, such as a beam or wall.
构材建筑物之单位结构,如横梁或墙
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