單項(xiàng)選擇題 叮零智能視頻門鈴的工作濕度為()
A.10%~90%RH,無冷凝
B.10%~93%RH,無冷凝
C.20%~90%RH,冷凝
D.20%~30%RH,冷凝
A.10%~90%RH,無冷凝
B.10%~93%RH,無冷凝
C.20%~90%RH,冷凝
D.20%~30%RH,冷凝