试题与答案

无釉细炻砖的物理性能中,吸水率平均值的技术要求为( )。A.3%<E≤6% B.5

题型:单项选择题

题目:

无釉细炻砖的物理性能中,吸水率平均值的技术要求为( )。

A.3%<E≤6%

B.5%<E≤3%

C.6%<E≤10%

D.E>10%

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: 放弃现金折扣成本=[折扣率/(1-折扣率)]×[360/(信用期-折扣期)],由该公式可知,放弃折扣成本的大小与折扣率、折扣期呈同方向变动,与信用期呈反方向变动。

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