Which of the following is least likely to be considered a drawback of utilitarianism()

A. Wealth transfer from the rich to the poor is expensive.

B. High income earners will work more.

C. Cost of tax administration associated with wealth transfers.

组件压力波动的原因（）。

A.组件漏浆

B.聚酯粘度波动

C.更换品种

D.更换计量泵