水电气三表智能卡门禁考勤无线排队云台控制楼宇控制货场物流防盗报警智能仪器仪表无功补偿能教学设备体质检测智能设备测量-Water and electricity in Table 3 Smart Card Access Control Wireless PTZ control queuing freight yard logistics building control anti-theft alarm intelligent instrument of reactive power compen