AB罗克韦尔SensaGuard 440N连接器440N-Z21SS3PH ¥1086.00 TURCK图尔克流量开关FS100-300L-62-2UPN8-H1141 ¥2083.00 SMC 3色显示 水用数字式流量开关 PF3W511-06-2T-X128 ¥3300.00 SMC数字式压力开关ISE80H-02-S ISE80-02-S ¥1650.00 PARKER派克减压阀14R013FC ¥538.00 PARKER派克电磁阀341N31 (7341NAKBJNMO) ¥2086.00