Are these dishes dirty ____________ clean?[ ]
A. and
B. of
C. with
D. or
答案：D
10m×102m×100．
滤油机的电动机绝缘应良好，供电线路中应接启动器和闸刀开关，油路接通前，电动机转向应正确，外壳应接地。
