主板串口线DB9 2.54MM间距排线主板9针COM线RS232内置档板线工业级高速传输
¥2.5
0
¥35
¥43
¥21.9
9
¥123.7
13
¥12.9
1
¥14.5
28
¥16.9
12
¥295
2
¥568.4
¥5.5
63
¥9.9
24