血瘀证是一个与血液循环障碍有关的病理过程，主要表现为（）（）（）
参考答案：血流动力学异常；血液流变学异常；微循环障
The senior senator has in the past three terms both experienced the sweet taste of success and the bitterness of defeat in his legislation fights with his opponents.
A．both experiences
B．experiences both
C．experience both
D．experienced both
水泥信号机柱的埋设深度为柱长的20%，但不得大于2m。卡盘的埋深依照设计。机柱培土直径距机柱外缘不小于（）mm，并夯实。
A.500
B.400
C.800
D.1000
