原装***西门子SM331***331-7NF00-0AB0
¥2900.00
***S7-300上海331-7NF10-0AB0
¥3650.00
现货西门子6ES7331-7NF10-0AB0模块SM331
¥3650.00
西门子331-7HF00-0AB0 SM331 S7-300
¥2850.00
SM331西门子输入模块6ES7331-7HF01-0AB0
¥3400.00
***西门子6ES7331-1KF02-0AB0
¥2100.00