PIR Pyroelectric Infra Red Sensor的意思|示意
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PIR热释电红外传感器
PIR Pyroelectric Infra Red Sensor的网络常见释义
热释电红外探测器 ... a blunt-tipped drill 椎弓根钝头钻 pir pyroelectric infra red sensor 热释电红外探测器 field calculation 现场计算 ...