下列有关用电知识的叙述正确的是[ ]
A.可以用铜丝和铁丝来代替保险丝
B.零线就是底线
C.如果发生触电事故应先切断电源再施救
D.使用试电笔时,手指可以接触到笔尖
答案:C
柔性石墨填料一般可压制成型,适用公称压力≤()MPa。
A.16
B.25
C.32
D.60
When assessing a client with partial thickness burns over 60% of the body, which of the following should the nurse report immediately()
A. Complaints of intense thirst.
B. Moderate to severe pain.
C. Urine output of 70 mL the 1st hour.
D. Hoarseness of the voice.