下列选项中,能有效地描述浮点数的有()。
A. Float foo = -1;
B. Float foo = 1.0;
C. Float foo = 42e1;
D. Float foo = 2.02f;
E. Float foo = 3.03d;
Float foo = 0x0123;
根据GB9417-88,载货汽车、客车、轿车的车辆类型代号分别为()。
A. 1、6、5
B. 1、6、3
C. 1、6、2
D. 1、6、7
注水系统是指从水源至注水井的全套设备和流程,包括水源泵站、水处理站、注水站、配水间和注水井。()
A. 正确
B. 错误
() is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.
A. The fuel oil
B. The lube oil
C. The sea water
D. The fresh water