银行的借贷成本主要有( )。
A.吸收存款或发行债券利息
B.业务费用
C.自有资本
D.借入资本
E.流动资金
参考答案:A,B
空预器跳闸如何隔离?注意事项?
To remedy a leaking fire hose connection at the hydrant,secure the valve and().
A.replace the gasket in the male coupling
B.reduce fire pump pressure
C.replace the gasket in the female coupling
D.rethread the male coupling