G
Guest
Guest
已经有人用同轴电缆(RG213),其衰减的经验变得越来越有更多的水分
, 由于下雨。该电缆保持50欧姆,所以阻抗不会改变。
, 由于下雨。该电缆保持50欧姆,所以阻抗不会改变。
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