可压缩滤饼颗粒间的孔道随压强增加而减小,滤液通过滤饼的阻力则增大。
参考答案:对
B.R1<R2
C.R1=R2
D.条件不足,无法判断
Which of the following does NOT stand for the argument of deflation a. Prices soar. b. Debt repayment becomes more difficult. c. Consumers are encouraged to wait for even lower prices. d. The cost of goods falls.