为了减少自由液面的影响,可以通过在液舱内()的办法来减少其面积惯性矩值。
A.增加液体
B.减少液体
C.设置若干水密纵舱壁
D.设置若干水密横舱壁
参考答案:C
A 7-year-old boy is hospitalized with cystic fibrosis. To help him manage secretions and avoid respiratory distress, the nurse should ().
A.perform chest physiotherapy every 4 hours.
B.give pancreatic enzymes as ordered.
C.place the child in an oxygen tent and have oxygen administered continuously.
D.serve a high-calorie diet.
切削过程的三个变形区是指()、()、()。