如何判断某型号的电缆与某套管的型号大小是否合适,是从外径大小来判断,还是从截面积来看
2025-01-20 06:01:05 2025-01-20 06:01:05你好朋友送我一台马兰士sr73功放和一对喇叭但我不会连接怎么办
2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05 2025-01-20 06:01:05