关于金属基托的论述错误的是 ()
A.戴用舒适
B.厚度较薄,强度高
C.调改困难
D.可以避免食物嵌塞
E.温度传导好
参考答案:D
A client with heart failure loses 3.2 kg while hospitalized. Approximately how many pounds has the client lost
A. 1 pound.B. 3 pounds.C. 5 pounds.D. 7 pounds.
液压牵引采煤机常用的液压马达有轴向柱塞式、摆线式,径向活塞式和()
A、叶片式
B、多轴式
C、直轴式