1P 6ES7335-7HG02-0AB0西门子PLC 模块SM 335 6ES73357HGO2OABO ¥5500.00 6AV6642-0BC01-1AX1西门子触摸式TP177B DP 6AV6 642-OBCO1-1AX1 ¥5500.00 1P 1FL6044 1FL6O44-2AF21-1AA1西门子V90伺服电机增量编码器现货 ¥1550.00 1FL6044-2AF21-1AA1西门子V90伺服电机200-220V FL60442AF211AA1 ¥1550.00 1P 6ES7953-8LM32-0AA0西门子微型存储卡4MB 6ES7 953-8LM32-OAAO ¥1800.00 1P 6SL3055-0AA00-3KA0/O西门子TM120终端模块6SL3O55-OAAOO-3KAO ¥1950.00