离心泵属于()类。
A.容积泵
B.往复泵
C.叶片式泵
D.齿轮泵
参考答案:C
Success in life doesn’t happen . It’s the result of devoting your time and energy to what you’ve set out to do.
A.in case
B.by chance
C.in return
D.by nature
炎性假瘤弥漫炎症型的CT征象为()
A.泪腺增大肿胀
B.眼外肌正常
C.视神经增粗
D.球后脂肪密度增高
E.眶内结构分界不清