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多选11.在控制流程图中,小圆圈代表某些自动化仪表,圆圈内如果标注为FT27,其意义包括( )
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多选11.在控制流程图中,小圆圈代表某些自动化仪表,圆圈内如果标注为FT27,其意义包括( )
A、此仪表是测量变送器
B、此仪表测量的是流量
C、此仪表是温度控制器
D、27表示回路号
E、27表示仪表序号
时间:2021-07-17 23:03
关键词:
化工仪表及自动化
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ABD
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多选11.在控制流程图中,小圆圈代表某些自动化仪表,圆圈内如果标注为FT27,其意义包括( )
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