A.O~10mA220VAC
B.4~20mA。24VDC
C.4~20mA220VAC
D.O~10mA24VDC
第1题
A.0~10mA,220VAC
B.4~20mA.24VDC
C.4~20mA,220VAC
D.0~10mA,24VDC
第5题
A.0~ 10mA, 220VAC
B.4~ 20mA,24VDC
C. 4~20mA,220VAC
D.0~10mA,24VDC
第7题
A.0-10mA,220VAC;
B.4-20mA,24VDC;
C.4-20mA,220VAC;
D.0-10mA,24VDC。
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