多选2．对于气动控制仪表，叙述正确的是（       ）。   

A、<span style="font-size:16px;font-family:宋体">动力源为</span><span style="font-size:16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">0.14MPa</span>

B、<span style="font-size:16px;font-family:宋体">动力源为</span><span style="font-size:16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">0.14KPa</span>

C、<span style="font-size:16px;font-family:宋体">动力源为</span><span style="font-size:16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">220V,50Hz</span><span style="font-size:16px;font-family:宋体">交流电</span>

D、<p style="text-indent:40px;line-height:150%"><span style="font-size:16px;line-height:150%;font-family: 宋体">动力源为</span><span style="font-size:16px;line-height:150%">24V</span><span style="font-size: 16px;line-height:150%;font-family:宋体">直流电</span> </p><p><br/></p>

E、<p style="text-indent:32px;line-height:150%"><span style="font-size:16px;line-height:150%;font-family: 宋体">各单元之间的传输信号为</span><span style="font-size:16px;line-height:150%">0.02~ 0.1MPa</span></p><p><br/></p>