有一两级除尘系统，第一级为旋风除尘器，第二级为电除尘器，处理一般的工业粉尘。已知起始的含尘浓度为15g/m3，旋风除尘器效率为85%，为了达到排放标准100mg/m3，电除尘器的效率最少应是（）。
A.90.1%
B.93.3%
C.95.6%
D.98.2%
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正确答案： C 答案分析：无
包含此试题的试卷：
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