A.關閉駝峰信號 B.不能關閉駝峰信號 C.報警并關閉駝峰信號 D.聲光報警
A.10V~10.8V B.10.5V~11V C.10.2V~11.4V D.11V~12.5V
A.30s B.1min C.3min D.5min