单项选择题
A.-270~1758℃B.-270~1768℃C.-270~1778℃
A.1.5S亮,0.5S灭B.0.5S亮,1.5S灭C.0.5S亮,0.5S灭
A.8通道模拟量输入模块B.8通道模拟量输出模块C.8通道带HART模拟量输入模块