下面哪一项是优化散热系统的最好的途径()。
A.使用较少的设备
B.在侧面板上钻孔
C.卸下侧面板
D.增加补充风扇来增大通过计算机的空气流
参考答案:D
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to().
A.shield fire fighters from radiant heat
B.break up burning material
C.get the most water possible on the fire
D.drive heat and smoke ahead of the fire fighters
饭店管理应该怎样才能调动人员的积极性?