A senior engineer with an electrical engineering background replied, "There are many reasons for the different cable and connector types."
一位具有电气工程背景的资深工程师答道,“使用不同的电缆和插头有很多原因。”
The principal USES of PVC in North America, in order of importance, are pipes, construction materials, consumer goods, packaging, and electrical products (such as wire and cable insulation).
在北美,PVC的主要用途按重要性排列为管道、建筑材料、消费产品、包装纸和电器产品(比如电线和电缆绝缘)。
One implication of the new design is that TV displays will soon need but one cable for both their electrical power and video signals.
电视机设计的一个未来趋势就是用一根线缆同时做到电力和视频信号的传输。
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