按设备形成性质，质量可分为( )。A．设计质量、工程质量、管理质量 B．实体质量、

在OutputStream类的常用方法中哪个是清空输出流的方法

A．flush( )

B．close( )

C．write(int b)

D．write(byte b[ ] )

外观设计

公安派出所是市、县级公安机关的派出机构。

Which of the following activities will least likely constitute a violation of Standard Ⅳ (A), Loyalty A. Conspiracy to bring about a mass resignation of other employees. B. Consulting on your own time and obtaining written permission from your employer. C. Self-dealing, taking the employer’s property or information.

组大修后油循环的目的是什么？