抗渣性是指耐火制品在高温下抵抗炉渣、炉料等化学作用的性能。
参考答案:错
In preparing a cash flow forecast, a firm is likely to employ a minimum acceptable cash balance:()
A. of zero.
B. that includes a component for opportunities that may arise.
C. equal to the amount necessary to pay projected payables, interest, taxes, and day-to-day expenses.
上移水成异常