骨盆骨折最重要的体征是
A．畸形
B．反常活动
C．局部压痛及间接挤压痛
D．骨擦音及骨擦感
E．肿胀及瘀斑
参考答案：C
___ I know he will stay here for half a year.
A．as soon as
B．as long as
C．so far as
D．as well as
凝汽器泄漏后处理如何规定？
