下面哪些介质的流量可以用电磁流量计来测量（）
A、纸浆
B、污水
C、蒸馏水
D、柴油
参考答案：A, B
I have drink but oranges.[ ]
A. little; few
B. little; a few
C. few; little
D. few; a little
土壤自净
