轧制时，轧件通常依赖工作辊给它的（），使其进入辊缝。
A、摩擦力
B、拉力
C、平衡力
D、内力
参考答案：A
Given the following inventory information about the Buckner Company: Year-end LIFO inventory of $ 6500. Year-end LIFO reserve of $ 2500. The current year’ s LIFO cost of goods sold is $15000. After tax income is $1600. The previous year’s LIFO reserve was $ 2000. What is the firm’ s after tax net income on a FIFO basis if the firm’ s tax rate is 40 percent
A．
B．
C．
水力最佳断面
