商业银行与客户的业务往来,应当遵循什么样的原则()
A.公平、自由、保密
B.平等、自由、公开和诚信
C.平等、自愿、公平和诚信
D.自愿、公平、保密、诚信
参考答案:C
某工程需要选用1台电动机,其冷却方式要求为空气冷却;冷却回路布置方式为自由循环,冷却介质由周围自由流入电动机或流过电动机表面并自由返回;冷却介质驱动方式为自循环,冷却介质依靠转子的风扇作用或直接安装在转子轴上的风扇。该电动机冷却方式的代号为( )。
A.ICA01
B.ICN01
C.ICW56
D.ICA00
The nurse is caring for a client who recently underwent a tracheostomy. The first priority when caring for a client with a tracheostomy is()
A. helping him communicate.
B. keeping his airway patent.
C. encouraging him to perform activities of daily living.
D. preventing him from developing an infection.