要采购精密镀铜线 precise copper plater
·2,447,543篇论文数据，部分数据来源于NoteExpress
光纤-一种非常精密的玻璃纤维，它比传送电子信号的铜线能传输多得多的信息。
Optical fiber (fiber Optics) - an extremely fine glass fiber able to carry much greater amounts of information than copper wire carrying electric signals.
youdao
应用推荐
模块上移
模块下移
不移动